354 lines
12 KiB
C
354 lines
12 KiB
C
/* include unpipch */
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/* Our own header. Tabs are set for 4 spaces, not 8 */
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#ifndef __unpipc_h
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#define __unpipc_h
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/* Devices */
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#define HAVE_DEV_ZERO 1
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/* #undef POSIX_IPC_PREFIX */
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#define RPCGEN_ANSIC 1 /* defined if rpcgen groks -C option */
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/* *INDENT-ON* */
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#include <sys/types.h> /* basic system data types */
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#include <sys/time.h> /* timeval{} for select() */
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#include <time.h> /* timespec{} for pselect() */
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#include <errno.h>
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#include <fcntl.h> /* for nonblocking */
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#include <limits.h> /* PIPE_BUF */
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h> /* for S_xxx file mode constants */
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#include <unistd.h>
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#include <sys/wait.h>
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# include <semaphore.h> /* Posix semaphores */
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# include <sys/mman.h> /* Posix shared memory */
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# include <sys/ipc.h> /* System V IPC */
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# include <sys/msg.h> /* System V message queues */
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#ifdef __bsdi__
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#undef HAVE_SYS_SEM_H /* hack: BSDI's semctl() prototype is wrong */
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#endif
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#include <sys/sem.h> /* System V semaphores */
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# include <sys/shm.h> /* System V shared memory */
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# include <sys/select.h> /* for convenience */
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# include <poll.h> /* for convenience */
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# include <strings.h> /* for convenience */
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/* Next three headers are normally needed for socket/file ioctl's:
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* <sys/ioctl.h>, <sys/filio.h>, and <sys/sockio.h>.
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*/
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# include <sys/ioctl.h>
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//# include <sys/filio.h>
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# include <pthread.h>
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#ifdef _PSX4_NSPACE_H_TS /* Digital Unix 4.0b hack, hack, hack */
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#undef SUCCESS
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#endif
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# include <rpc/rpc.h> /* Sun RPC */
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/* Define bzero() as a macro if it's not in standard C library. */
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#define bzero(ptr,n) memset(ptr, 0, n)
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#ifndef SHM_NAME
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//#define SHM_NAME "/user/service/shmmem/sh_statusd_mem" // FreeBSD
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#define SHM_NAME "new_sh_statusd_shmem" // Linux
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#endif
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#ifndef SEM_NAME
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//#define SEM_NAME "/tmp/sh_sem" // FreeBSD
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#define SEM_NAME "new_sh_statusd_sem" // Linux
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#endif
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#ifndef GLOBAL_SHM_POINT
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#define GLOBAL_SHM_POINT "sh_global_point"
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#endif
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/* Posix.1g requires that an #include of <poll.h> DefinE INFTIM, but many
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systems still DefinE it in <sys/stropts.h>. We don't want to include
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all the streams stuff if it's not needed, so we just DefinE INFTIM here.
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This is the standard value, but there's no guarantee it is -1. */
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#ifndef INFTIM
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#define INFTIM (-1) /* infinite poll timeout */
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#ifdef HAVE_POLL_H
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#define INFTIM_UNPH /* tell unpxti.h we defined it */
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#endif
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#endif
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/* Miscellaneous constants */
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#ifndef PATH_MAX /* should be in <limits.h> */
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#define PATH_MAX 1024 /* max # of characters in a pathname */
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#endif
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#define MAX_PATH 1024
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/* $$.ix [MAX_PATH]~constant,~definition~of$$ */
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#define MAXLINE 4096 /* max text line length */
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/* $$.ix [MAXLINE]~constant,~definition~of$$ */
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/* $$.ix [BUFFSIZE]~constant,~definition~of$$ */
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#define BUFFSIZE 8192 /* buffer size for reads and writes */
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#define FILE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH)
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/* default permissions for new files */
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/* $$.ix [FILE_MODE]~constant,~definition~of$$ */
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#define DIR_MODE (FILE_MODE | S_IXUSR | S_IXGRP | S_IXOTH)
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/* default permissions for new directories */
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/* $$.ix [DIR_MODE]~constant,~definition~of$$ */
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#define SVMSG_MODE (MSG_R | MSG_W | MSG_R>>3 | MSG_R>>6)
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/* default permissions for new SV message queues */
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/* $$.ix [SVMSG_MODE]~constant,~definition~of$$ */
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#define SEM_A 0200 /* alter permission */
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#define SEM_R 0400 /* read permission */
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#define SVSEM_MODE (SEM_R | SEM_A | SEM_R>>3 | SEM_R>>6)
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/* default permissions for new SV semaphores */
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/* $$.ix [SVSEM_MODE]~constant,~definition~of$$ */
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#define SVSHM_MODE (SHM_R | SHM_W | SHM_R>>3 | SHM_R>>6)
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/* default permissions for new SV shared memory */
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/* $$.ix [SVSHM_MODE]~constant,~definition~of$$ */
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typedef void Sigfunc_rt(int, siginfo_t *, void *);
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#define min(a,b) ((a) < (b) ? (a) : (b))
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#define max(a,b) ((a) > (b) ? (a) : (b))
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/*
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* In our wrappers for open(), mq_open(), and sem_open() we handle the
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* optional arguments using the va_XXX() macros. But one of the optional
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* arguments is of type "mode_t" and this breaks under BSD/OS because it
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* uses a 16-bit integer for this datatype. But when our wrapper function
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* is called, the compiler expands the 16-bit short integer to a 32-bit
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* integer. This breaks our call to va_arg(). All we can do is the
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* following hack. Other systems in addition to BSD/OS might have this
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* problem too ...
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*/
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#ifdef __bsdi__
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#define va_mode_t int
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#else
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#define va_mode_t mode_t
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#endif
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/* $$.ix [va_mode_t]~datatype,~definition~of$$ */
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/* our record locking macros */
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#define read_lock(fd, offset, whence, len) \
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lock_reg(fd, F_SETLK, F_RDLCK, offset, whence, len)
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#define readw_lock(fd, offset, whence, len) \
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lock_reg(fd, F_SETLKW, F_RDLCK, offset, whence, len)
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#define write_lock(fd, offset, whence, len) \
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lock_reg(fd, F_SETLK, F_WRLCK, offset, whence, len)
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#define writew_lock(fd, offset, whence, len) \
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lock_reg(fd, F_SETLKW, F_WRLCK, offset, whence, len)
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#define un_lock(fd, offset, whence, len) \
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lock_reg(fd, F_SETLK, F_UNLCK, offset, whence, len)
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#define is_read_lockable(fd, offset, whence, len) \
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lock_test(fd, F_RDLCK, offset, whence, len)
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#define is_write_lockable(fd, offset, whence, len) \
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lock_test(fd, F_WRLCK, offset, whence, len)
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/* end unpipch */
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#define Read_lock(fd, offset, whence, len) \
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Lock_reg(fd, F_SETLK, F_RDLCK, offset, whence, len)
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#define Readw_lock(fd, offset, whence, len) \
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Lock_reg(fd, F_SETLKW, F_RDLCK, offset, whence, len)
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#define Write_lock(fd, offset, whence, len) \
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Lock_reg(fd, F_SETLK, F_WRLCK, offset, whence, len)
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#define Writew_lock(fd, offset, whence, len) \
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Lock_reg(fd, F_SETLKW, F_WRLCK, offset, whence, len)
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#define Un_lock(fd, offset, whence, len) \
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Lock_reg(fd, F_SETLK, F_UNLCK, offset, whence, len)
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#define Is_read_lockable(fd, offset, whence, len) \
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Lock_test(fd, F_RDLCK, offset, whence, len)
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#define Is_write_lockable(fd, offset, whence, len) \
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Lock_test(fd, F_WRLCK, offset, whence, len)
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/* prototypes for our own library functions */
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char *gf_time(void);
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int lock_reg(int, int, int, off_t, int, off_t);
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pid_t lock_test(int, int, off_t, int, off_t);
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void *my_shm(size_t);
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char *px_ipc_name(const char *);
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int readable_timeo(int, int);
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ssize_t readline(int, void *, size_t);
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ssize_t readn(int, void *, size_t);
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int set_concurrency(int);
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Sigfunc *signal_intr(int, Sigfunc *);
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int sleep_us(unsigned int);
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int start_time(void);
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double stop_time(void);
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int touch(void *, int);
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void tv_sub(struct timeval *, struct timeval *);
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int writable_timeo(int, int);
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ssize_t writen(int, const void *, size_t);
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int isfdtype(int, int);
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/* prototypes for our own library wrapper functions */
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char *Gf_time(void);
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void Lock_reg(int, int, int, off_t, int, off_t);
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pid_t Lock_test(int, int, off_t, int, off_t);
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void *My_shm(size_t);
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char *Px_ipc_name(const char *);
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int Readable_timeo(int, int);
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ssize_t Readline(int, void *, size_t);
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ssize_t Readn(int, void *, size_t);
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void Set_concurrency(int);
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Sigfunc *Signal(int, Sigfunc *);
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Sigfunc *Signal_intr(int, Sigfunc *);
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Sigfunc_rt *Signal_rt(int, Sigfunc_rt *);
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Sigfunc_rt *Signal_rt_intr(int, Sigfunc_rt *);
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void Sleep_us(unsigned int);
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void Start_time(void);
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double Stop_time(void);
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void Touch(void *, int);
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int Writable_timeo(int, int);
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void Writen(int, void *, size_t);
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/* prototypes for our Unix wrapper functions */
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void *Calloc(size_t, size_t);
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void Close(int);
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void Dup2(int, int);
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//int Fcntl(int, int, void *);
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pid_t Fork(void);
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long Fpathconf(int, int);
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void Fstat(int, struct stat *);
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key_t Ftok(const char *, int);
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void Ftruncate(int, off_t);
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int Getopt(int, char *const *, const char *);
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void Gettimeofday(struct timeval *, void *);
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int Ioctl(int, int, void *);
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void Kill(pid_t, int);
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off_t Lseek(int, off_t, int);
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void *Malloc(size_t);
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void Mkfifo(const char *, mode_t);
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void Mktemp(char *);
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void *Mmap(void *, size_t, int, int, int, off_t);
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void Munmap(void *, size_t);
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//int Open(const char *, int, ...);
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long Pathconf(const char *, int);
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void Pipe(int *fds);
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ssize_t Read(int, void *, size_t);
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int Select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
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void Sigaddset(sigset_t *, int);
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void Sigdelset(sigset_t *, int);
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void Sigemptyset(sigset_t *);
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void Sigfillset(sigset_t *);
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int Sigismember(const sigset_t *, int);
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void Sigpending(sigset_t *);
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void Sigprocmask(int, const sigset_t *, sigset_t *);
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void Sigqueue(pid_t, int, const union sigval);
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void Sigwait(const sigset_t *, int *);
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void Stat(const char *, struct stat *);
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char *Strdup(const char *);
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long Sysconf(int);
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void Sysctl(int *, u_int, void *, size_t *, void *, size_t);
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void Unlink(const char *);
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void *Valloc(size_t);
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pid_t Wait(int *);
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pid_t Waitpid(pid_t, int *, int);
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void Write(int, void *, size_t);
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/* 4Posix semaphores */
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sem_t *Sem_open(const char *, int, ...);
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void Sem_close(sem_t *);
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void Sem_unlink(const char *);
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void Sem_init(sem_t *, int, unsigned int);
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void Sem_destroy(sem_t *);
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void Sem_wait(sem_t *);
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int Sem_trywait(sem_t *);
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void Sem_post(sem_t *);
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void Sem_getvalue(sem_t *, int *);
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/* Note that <sys/mman.h> is defined on some systems that do not support
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* Posix shared memory (e.g., 4.4BSD), because this header predates Posix
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* and appears on any system that supports mmap(). Therefore we cannot
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* use this to determine whether the implementation supports Posix shared
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* memory or not. We use our own HAVE_SHM_OPEN_PROTO symbol.
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*/
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/* 4Posix shared memory */
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int Shm_open(const char *, int, mode_t);
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void Shm_unlink(const char *);
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/* 4System V message queues */
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int Msgget(key_t key, int flag);
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void Msgctl(int, int, struct msqid_ds *);
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void Msgsnd(int, const void *, size_t, int);
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ssize_t Msgrcv(int, void *, size_t, int, int);
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/* 4System V semaphores */
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int Semget(key_t, int, int);
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int Semctl(int, int, int, ...);
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void Semop(int, struct sembuf *, size_t);
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/* 4System V shared memory */
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int Shmget(key_t, size_t, int);
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void *Shmat(int, const void *, int);
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void Shmdt(const void *);
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void Shmctl(int, int, struct shmid_ds *);
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/* prototypes for our stdio wrapper functions */
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void Fclose(FILE *);
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FILE *Fdopen(int, const char *);
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char *Fgets(char *, int, FILE *);
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FILE *Fopen(const char *, const char *);
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void Fputs(const char *, FILE *);
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FILE *Popen(const char *, const char *);
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int Pclose(FILE *);
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void Fattach(int, const char *);
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int Poll(struct pollfd *, unsigned long, int);
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void err_dump(const char *, ...);
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void err_msg(const char *, ...);
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void err_quit(const char *, ...);
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void err_ret(const char *, ...);
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void err_sys(const char *, ...);
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/* prototypes for our pthread wrapper functions */
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void Pthread_attr_init(pthread_attr_t *);
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void Pthread_attr_destroy(pthread_attr_t *);
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void Pthread_attr_setdetachstate(pthread_attr_t *, int);
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void Pthread_attr_setscope(pthread_attr_t *, int);
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void Pthread_create(pthread_t *, const pthread_attr_t *,
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void * (*)(void *), void *);
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void Pthread_join(pthread_t, void **);
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void Pthread_detach(pthread_t);
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void Pthread_kill(pthread_t, int);
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void Pthread_setcancelstate(int, int *);
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void Pthread_mutexattr_init(pthread_mutexattr_t *);
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void Pthread_mutexattr_destroy(pthread_mutexattr_t *);
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void Pthread_mutexattr_setpshared(pthread_mutexattr_t *, int);
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void Pthread_mutex_init(pthread_mutex_t *, pthread_mutexattr_t *);
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void Pthread_mutex_destroy(pthread_mutex_t *);
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void Pthread_mutex_lock(pthread_mutex_t *);
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void Pthread_mutex_unlock(pthread_mutex_t *);
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void Pthread_condattr_init(pthread_condattr_t *);
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void Pthread_condattr_destroy(pthread_condattr_t *);
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void Pthread_condattr_setpshared(pthread_condattr_t *, int);
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void Pthread_cond_broadcast(pthread_cond_t *);
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void Pthread_cond_signal(pthread_cond_t *);
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void Pthread_cond_wait(pthread_cond_t *, pthread_mutex_t *);
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void Pthread_cond_timedwait(pthread_cond_t *, pthread_mutex_t *,
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const struct timespec *);
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void Pthread_key_create(pthread_key_t *, void (*)(void *));
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void Pthread_setspecific(pthread_key_t, const void *);
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void Pthread_once(pthread_once_t *, void (*)(void));
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long pr_thread_id(pthread_t *);
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CLIENT *Clnt_create(const char *, u_long, u_long, const char *);
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void Clnt_control(CLIENT *, u_int, char *);
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#endif /* __unpipc_h */
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