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Fix a problem with the -lx timeout code on ppc darwin.

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The intel based darwin system was killing subprocesses
okay but for some reason, ppc systems were not.  This
change fixes the timeout code so subprocesses are
properly killed on ppc darwin systems.



[SVN r39514]
This commit is contained in:
K. Noel Belcourt
2007-09-24 21:01:45 +00:00
parent 6587f9cb97
commit efbfed44b2
1 changed files with 6 additions and 7 deletions
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13
historic/jam/src/execunix.c
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@@ -212,16 +212,15 @@ execcmd(
else
dup2(err[1], STDERR_FILENO);
/* Make this process a session leader
/* Make this process a process group leader
* so that when we kill it, all child
* processes of this process are terminated
* as well.
*
* we use kill(-pid, SIGKILL) to kill the
* session leader and all children of this
* session.
* we use killpg(pid, SIGKILL) to kill the
* process group leader and all its children.
*/
setsid();
setpgid(cmdtab[slot].pid, cmdtab[slot].pid);
execvp( argv[0], argv );
_exit(127);
@@ -379,7 +378,7 @@ void populate_file_descriptors(int *fmax, fd_set *fds)
struct tms buf;
clock_t current = times(&buf);
if (globs.timeout <= (current-cmdtab[i].start_time)/tps) {
kill(-cmdtab[i].pid, SIGKILL);
killpg(cmdtab[i].pid, SIGKILL);
cmdtab[i].exit_reason = EXIT_TIMEOUT;
}
}
@@ -418,7 +417,7 @@ execwait()
tv.tv_sec = globs.timeout;
tv.tv_usec = 0;
/* select will wait until io on a descriptor or a signal */
/* select will wait until: io on a descriptor, a signal, or we time out */
ret = select(fd_max+1, &fds, 0, 0, &tv);
}
else {