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| author | Christopher Faylor <me@cgf.cx> | 2002-08-18 05:49:26 +0000 |
|---|---|---|
| committer | Christopher Faylor <me@cgf.cx> | 2002-08-18 05:49:26 +0000 |
| commit | 8dca9e230217cc6f4ded94e5fa0ab3f63df941b9 (patch) | |
| tree | 7eae73aeb5feb07bfb241edbd41134270d9867a5 /winsup/cygwin/spawn.cc | |
| parent | d17ba05c1c9dbb15b846682fd98e65b80260623d (diff) | |
| download | cygnal-8dca9e230217cc6f4ded94e5fa0ab3f63df941b9.tar.gz cygnal-8dca9e230217cc6f4ded94e5fa0ab3f63df941b9.tar.bz2 cygnal-8dca9e230217cc6f4ded94e5fa0ab3f63df941b9.zip | |
* perthread.h (vfork_save): Add ctty, sid, pgid, exitval fields.
(vfork_save::restore_pid): New method.
(vfork_save::restore_exit): New method.
* fork.cc (vfork): Save ctty, sid, pgid and restore them when returning to
"parent". Use exitval field if exiting but never created a new process.
* syscalls.cc (setsid): Detect when in "vfork" and force an actual fork so that
pid will be allocated (UGLY!).
(getsid): New function.
* dcrt0.cc (do_exit): Use vfork_save::restore_exit method for returning from a
vfork.
* spawn.cc (spawnve): Use vfork_save::{restore_pid,restore_exit} methods for
returning from vfork.
* cygwin.din: Export getsid.
* include/cygwin/version.h: Bump api minor number.
* malloc.cc: #ifdef sYSTRIm for when MORECORE_CANNOT_TRIM is true.
Diffstat (limited to 'winsup/cygwin/spawn.cc')
| -rw-r--r-- | winsup/cygwin/spawn.cc | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/winsup/cygwin/spawn.cc b/winsup/cygwin/spawn.cc index 602c0af69..8c1c18adb 100644 --- a/winsup/cygwin/spawn.cc +++ b/winsup/cygwin/spawn.cc @@ -907,11 +907,13 @@ spawnve (int mode, const char *path, const char *const *argv, case _P_DETACH: subproc_init (); ret = spawn_guts (path, argv, envp, mode); - if (vf && ret > 0) + if (vf) { debug_printf ("longjmping due to vfork"); - vf->pid = ret; - longjmp (vf->j, 1); + if (ret < 0) + vf->restore_exit (ret); + else + vf->restore_pid (ret); } break; default: |