diff options
| author | tjg <tjg> | 1999-05-10 15:39:05 +0000 |
|---|---|---|
| committer | Toby Goodwin <toby@paccrat.org> | 2015-05-16 21:23:15 +0100 |
| commit | 255694d1a8e6488dd58abfa9e4f694e3b11015a5 (patch) | |
| tree | 625c35655a78bfb49dd68c870e9309209bc7e09a | |
| parent | f9461d66f9351480812a6dc365abf54000d75493 (diff) | |
make comment more precise
| -rw-r--r-- | acinclude.m4 | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 4c1a07e..32fa6f2 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -148,9 +148,9 @@ dnl Do we have SysV SIGCLD semantics? In other words, if we set the dnl action for SIGCLD to SIG_IGN does wait() always say ECHILD? Linux, dnl of course, is bizarre here. It basically implements the SysV dnl semantics, but if the parent calls wait() before the child calls -dnl exit(), wait() returns with the PID of the child as normal. (I'm -dnl almost, but not quite 100% sure that real SysV will *always* return -dnl ECHILD.) Anyway, this is why the `sleep(1)' is there. +dnl exit(), wait() returns with the PID of the child as normal. (Real +dnl SysV waits for all children to exit, then returns with ECHILD.) +dnl Anyway, this is why the `sleep(1)' is there. AC_DEFUN(RC_SYS_V_SIGCLD, [ AC_CACHE_CHECK(for SysV SIGCLD semantics, rc_cv_sysv_sigcld, AC_TRY_RUN([ |