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| author | Paul Eggert <eggert@cs.ucla.edu> | 2017-05-21 01:46:44 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2017-05-21 01:47:31 -0700 |
| commit | cb6d66974416f535fefb42c974b73037e257399a (patch) | |
| tree | 85a960b3e725df3da1cc1312a31a13e07416b2bb /src/callproc.c | |
| parent | 97c7a61d90987e182c1d2ec40fbe0d1d7df844c5 (diff) | |
| download | emacs-cb6d66974416f535fefb42c974b73037e257399a.tar.gz | |
Work around macOS bug with vforked child
* src/callproc.c (call_process) [DARWIN_OS]:
Include workaround for apparent macOS bug.
Diffstat (limited to 'src/callproc.c')
| -rw-r--r-- | src/callproc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/callproc.c b/src/callproc.c index 7c85eed835f..4cec02be7ef 100644 --- a/src/callproc.c +++ b/src/callproc.c @@ -631,6 +631,14 @@ call_process (ptrdiff_t nargs, Lisp_Object *args, int filefd, if (pid == 0) { +#ifdef DARWIN_OS + /* Work around a macOS bug, where SIGCHLD is apparently + delivered to a vforked child instead of to its parent. See: + http://lists.gnu.org/archive/html/emacs-devel/2017-05/msg00342.html + */ + signal (SIGCHLD, SIG_DFL); +#endif + unblock_child_signal (&oldset); #ifdef DARWIN_OS |