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| author | Christopher Faylor <me@cgf.cx> | 2004-12-17 17:42:03 +0000 |
|---|---|---|
| committer | Christopher Faylor <me@cgf.cx> | 2004-12-17 17:42:03 +0000 |
| commit | 8232f2e050785e61113a926aa922e4004dd9c118 (patch) | |
| tree | 85eeaddd13b4bbae2f497b44dad503b59e935a0e /winsup/cygwin/sigproc.cc | |
| parent | 0d549859a5ec98f238073b28065c9f7fc854d445 (diff) | |
| download | cygnal-8232f2e050785e61113a926aa922e4004dd9c118.tar.gz cygnal-8232f2e050785e61113a926aa922e4004dd9c118.tar.bz2 cygnal-8232f2e050785e61113a926aa922e4004dd9c118.zip | |
* sigproc.cc (proc_subproc): Fix long-standing problem. Only wait for "all
processes" if pid == -1 -- not just if pid is negative.
(proc_can_be_signalled): Fix another long-standing problem. Set correct errno
when detecting an exited process.
Diffstat (limited to 'winsup/cygwin/sigproc.cc')
| -rw-r--r-- | winsup/cygwin/sigproc.cc | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/winsup/cygwin/sigproc.cc b/winsup/cygwin/sigproc.cc index 7b3ba89ad..7f296d288 100644 --- a/winsup/cygwin/sigproc.cc +++ b/winsup/cygwin/sigproc.cc @@ -169,19 +169,16 @@ get_proc_lock (DWORD what, DWORD val) static bool __stdcall proc_can_be_signalled (_pinfo *p) { - if (p->sendsig == INVALID_HANDLE_VALUE) + if (p->sendsig != INVALID_HANDLE_VALUE) { - set_errno (EPERM); - return false; - } - - if (p == myself_nowait || p == myself) - return hwait_sig; + if (p == myself_nowait || p == myself) + return hwait_sig; - if (ISSTATE (p, PID_INITIALIZING) || - (((p)->process_state & (PID_ACTIVE | PID_IN_USE)) == - (PID_ACTIVE | PID_IN_USE))) - return true; + if (ISSTATE (p, PID_INITIALIZING) || + (((p)->process_state & (PID_ACTIVE | PID_IN_USE)) == + (PID_ACTIVE | PID_IN_USE))) + return true; + } set_errno (ESRCH); return false; @@ -278,7 +275,7 @@ proc_subproc (DWORD what, DWORD val) case PROC_WAIT: wval->ev = NULL; // Don't know event flag yet - if (wval->pid <= 0) + if (wval->pid == -1) child = NULL; // Not looking for a specific pid else if (!mychild (wval->pid)) goto out; // invalid pid. flag no such child |