mirror of
https://salsa.debian.org/srivasta/make-dfsg.git
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Formerly job.c.~70~
This commit is contained in:
Roland McGrath
parent
59caea5674
commit
b6364d9ae4
1 changed files with 27 additions and 39 deletions
66
job.c
66
job.c
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@ -31,23 +31,19 @@ char default_shell[] = "/bin/sh";
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extern int errno;
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#if defined(POSIX) || defined(__GNU_LIBRARY__)
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#include <limits.h>
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#include <unistd.h>
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#ifndef NGROUPS_MAX
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#ifdef POSIX
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#define GET_NGROUPS_MAX sysconf (_SC_NGROUPS_MAX)
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#else /* Not POSIX. */
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#ifndef USG
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#include <sys/param.h>
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#define NGROUPS_MAX NGROUPS
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#endif /* Not USG. */
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#endif /* POSIX. */
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#ifdef POSIX
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#ifdef HAVE_WAITPID
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#include <sys/wait.h>
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#define WAIT_NOHANG(status) waitpid(-1, (status), WNOHANG)
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#else /* Not POSIX. */
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#else /* Don't have waitpid. */
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#if defined(HAVE_SYS_WAIT) || !defined(USG)
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#include <sys/wait.h>
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@ -64,7 +60,7 @@ extern int wait3 ();
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extern int wait ();
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#endif
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#endif /* HAVE_SYS_WAIT || !USG */
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#endif /* POSIX. */
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#endif /* Have waitpid. */
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#if defined(WTERMSIG) || (defined(USG) && !defined(HAVE_SYS_WAIT))
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#define WAIT_T int
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@ -101,24 +97,16 @@ extern int wait ();
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#endif /* WTERMSIG defined or USG and don't have <sys/wait.h>. */
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#if defined(__GNU_LIBRARY__) || defined(POSIX)
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#include <sys/types.h>
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#define GID_T gid_t
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#else /* Not GNU C library. */
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#define GID_T int
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#ifndef HAVE_UNISTD_H
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extern int dup2 ();
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extern int execve ();
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extern void _exit ();
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extern int geteuid (), getegid ();
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extern int setgid (), getgid ();
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#endif /* GNU C library. */
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#endif
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#ifndef getdtablesize
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#ifndef USG
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#ifndef GETDTABLESIZE_MISSING
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extern int getdtablesize ();
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#else
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#include <sys/param.h>
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@ -131,12 +119,12 @@ extern int start_remote_job_p ();
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extern int start_remote_job (), remote_status ();
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#if (defined(USG) && !defined(HAVE_SIGLIST)) || defined(DGUX)
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#ifdef SYS_SIGLIST_MISSING
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static char *sys_siglist[NSIG];
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void init_siglist ();
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#else /* Not (USG and HAVE_SIGLIST), or DGUX. */
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#else
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extern char *sys_siglist[];
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#endif /* USG and not HAVE_SIGLIST, or DGUX. */
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#endif
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int child_handler ();
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static void free_child (), start_job ();
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@ -182,7 +170,7 @@ static unsigned int dead_children = 0;
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/* Notice that a child died.
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reap_children should be called when convenient. */
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int
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RETSIGTYPE
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child_handler (sig)
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int sig;
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{
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@ -433,7 +421,7 @@ unblock_sigs ()
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sigprocmask (SIG_SETMASK, &empty, (sigset_t *) 0);
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}
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#else
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#ifndef USG
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#ifndef SIGSETMASK_MISSING
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extern int fatal_signal_mask;
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#define unblock_sigs() sigsetmask (0)
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#else
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@ -605,7 +593,7 @@ start_job (child)
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#ifdef POSIX
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(void) sigprocmask (SIG_BLOCK, &fatal_signal_set, (sigset_t *) 0);
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#else
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#ifndef USG
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#ifndef SIGSETMASK_MISSING
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(void) sigblock (fatal_signal_mask);
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#endif
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#endif
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@ -623,7 +611,7 @@ start_job (child)
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{
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/* Fork failed! */
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unblock_sigs ();
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perror_with_name (VFORK_NAME, "");
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perror_with_name ("vfork", "");
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goto error;
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}
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}
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@ -765,26 +753,26 @@ search_path (file, path, program)
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{
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unsigned int len;
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#if !defined (USG) || defined (POSIX)
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#ifndef POSIX
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#ifndef GETGROUPS_MISSING
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#ifndef HAVE_UNISTD_H
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extern int getgroups ();
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#endif
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static int ngroups = -1;
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#ifdef NGROUPS_MAX
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static GID_T groups[NGROUPS_MAX];
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static gid_t groups[NGROUPS_MAX];
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#define ngroups_max NGROUPS_MAX
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#else
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static GID_T *groups = 0;
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static gid_t *groups = 0;
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static int ngroups_max;
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if (groups == 0)
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{
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ngroups_max = GET_NGROUPS_MAX;
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groups = (GID_T *) malloc (ngroups_max * sizeof (GID_T));
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groups = (gid_t *) malloc (ngroups_max * sizeof (gid_t));
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}
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#endif
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if (groups != 0 && ngroups == -1)
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ngroups = getgroups (ngroups_max, groups);
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#endif /* POSIX or not USG. */
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#endif /* getgroups missing. */
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len = strlen (file) + 1;
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do
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@ -815,7 +803,7 @@ search_path (file, path, program)
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perm = (st.st_mode & 0010);
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else
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{
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#ifndef USG
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#ifndef GETGROUPS_MISSING
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register int i;
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for (i = 0; i < ngroups; ++i)
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if (groups[i] == st.st_gid)
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@ -823,7 +811,7 @@ search_path (file, path, program)
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if (i < ngroups)
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perm = (st.st_mode & 0010);
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else
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#endif /* Not USG. */
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#endif /* getgroups missing. */
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perm = (st.st_mode & 0001);
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}
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@ -1198,7 +1186,7 @@ construct_command_argv (line, restp, file)
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return argv;
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}
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#if (defined(USG) && !defined(HAVE_SIGLIST)) || defined(DGUX)
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#ifdef SYS_SIGLIST_MISSING
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/* Initialize sys_siglist. */
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void
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@ -1351,9 +1339,9 @@ init_siglist ()
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#endif
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}
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}
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#endif /* USG and not HAVE_SIGLIST. */
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#endif
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#if defined(USG) && !defined(USGr3) && !defined(HAVE_DUP2)
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#ifdef DUP2_MISSING
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int
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dup2 (old, new)
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int old, new;
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@ -1371,4 +1359,4 @@ dup2 (old, new)
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return fd;
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}
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#endif /* USG and not USGr3 and not HAVE_DUP2. */
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#endif
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