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bf3bcac28b
* libc/reent/execr.c: Use _DEFUN macro for function declaration.
* libc/reent/fcntlr.c: Ditto.
* libc/reent/fstat64r.c: Ditto.
* libc/reent/linkr.c: Ditto.
* libc/reent/lseek64r.c: Ditto.
* libc/reent/lseekr.c: Ditto.
* libc/reent/openr.c: Ditto.
* libc/reent/readr.c: Ditto.
* libc/reent/reent.c: Ditto.
* libc/reent/sbrkr.c: Ditto.
* libc/reent/signalr.c: Ditto.
* libc/reent/signgam.c: Ditto.
* libc/reent/statr.c: Ditto.
* libc/reent/timer.c: Ditto.
* libc/reent/unlinkr.c: Ditto.
* libc/reent/writer.c: Ditto.
* libc/syscalls/sysclose.c: Ditto.
* libc/syscalls/sysexecve.c: Ditto.
* libc/syscalls/sysfcntl.c: Ditto.
* libc/syscalls/sysfork.c: Ditto.
* libc/syscalls/sysfstat.c: Ditto.
* libc/syscalls/sysgetpid.c: Ditto.
* libc/syscalls/sysgettod.c: Ditto.
* libc/syscalls/syskill.c: Ditto.
* libc/syscalls/syslink.c: Ditto.
* libc/syscalls/syslseek.c: Ditto.
* libc/syscalls/sysopen.c: Ditto.
* libc/syscalls/sysread.c: Ditto.
* libc/syscalls/syssbrk.c: Ditto.
* libc/syscalls/sysstat.c: Ditto.
* libc/syscalls/systimes.c: Ditto.
* libc/syscalls/sysunlink.c: Ditto.
* libc/syscalls/syswait.c: Ditto.
146 lines
2.7 KiB
C
146 lines
2.7 KiB
C
/* Reentrant versions of execution system calls. These
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implementations just call the usual system calls. */
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#include <reent.h>
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#include <unistd.h>
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#include <sys/wait.h>
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#include <_syslist.h>
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/* Some targets provides their own versions of these functions. Those
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targets should define REENTRANT_SYSCALLS_PROVIDED in TARGET_CFLAGS. */
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#ifdef _REENT_ONLY
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#ifndef REENTRANT_SYSCALLS_PROVIDED
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#define REENTRANT_SYSCALLS_PROVIDED
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#endif
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#endif
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/* If NO_EXEC is defined, we don't need these functions. */
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#if defined (REENTRANT_SYSCALLS_PROVIDED) || defined (NO_EXEC)
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int _dummy_exec_syscalls = 1;
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#else
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/* We use the errno variable used by the system dependent layer. */
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#undef errno
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extern int errno;
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/*
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FUNCTION
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<<_execve_r>>---Reentrant version of execve
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INDEX
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_execve_r
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ANSI_SYNOPSIS
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#include <reent.h>
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int _execve_r(struct _reent *<[ptr]>, char *<[name]>,
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char **<[argv]>, char **<[env]>);
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TRAD_SYNOPSIS
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#include <reent.h>
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int _execve_r(<[ptr]>, <[name]>, <[argv]>, <[env]>)
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struct _reent *<[ptr]>;
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char *<[name]>;
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char **<[argv]>;
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char **<[env]>;
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DESCRIPTION
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This is a reentrant version of <<execve>>. It
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takes a pointer to the global data block, which holds
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<<errno>>.
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*/
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int
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_DEFUN (_execve_r, (ptr, name, argv, env),
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struct _reent *ptr _AND
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char *name _AND
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char **argv _AND
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char **env)
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{
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int ret;
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errno = 0;
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if ((ret = _execve (name, argv, env)) == -1 && errno != 0)
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ptr->_errno = errno;
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return ret;
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}
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/*
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FUNCTION
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<<_fork_r>>---Reentrant version of fork
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INDEX
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_fork_r
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ANSI_SYNOPSIS
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#include <reent.h>
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int _fork_r(struct _reent *<[ptr]>);
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TRAD_SYNOPSIS
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#include <reent.h>
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int _fork_r(<[ptr]>)
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struct _reent *<[ptr]>;
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DESCRIPTION
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This is a reentrant version of <<fork>>. It
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takes a pointer to the global data block, which holds
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<<errno>>.
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*/
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#ifndef NO_FORK
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int
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_DEFUN (_fork_r, (ptr),
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struct _reent *ptr)
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{
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int ret;
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errno = 0;
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if ((ret = _fork ()) == -1 && errno != 0)
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ptr->_errno = errno;
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return ret;
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}
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#endif
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/*
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FUNCTION
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<<_wait_r>>---Reentrant version of wait
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INDEX
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_wait_r
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ANSI_SYNOPSIS
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#include <reent.h>
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int _wait_r(struct _reent *<[ptr]>, int *<[status]>);
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TRAD_SYNOPSIS
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#include <reent.h>
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int _wait_r(<[ptr]>, <[status]>)
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struct _reent *<[ptr]>;
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int *<[status]>;
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DESCRIPTION
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This is a reentrant version of <<wait>>. It
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takes a pointer to the global data block, which holds
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<<errno>>.
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*/
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int
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_DEFUN (_wait_r, (ptr, status),
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struct _reent *ptr _AND
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int *status)
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{
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int ret;
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errno = 0;
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if ((ret = _wait (status)) == -1 && errno != 0)
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ptr->_errno = errno;
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return ret;
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}
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#endif /* ! defined (REENTRANT_SYSCALLS_PROVIDED) */
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