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author | Eduardo Chappa <echappa@gmx.com> | 2013-02-03 00:59:38 -0700 |
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committer | Eduardo Chappa <echappa@gmx.com> | 2013-02-03 00:59:38 -0700 |
commit | 094ca96844842928810f14844413109fc6cdd890 (patch) | |
tree | e60efbb980f38ba9308ccb4fb2b77b87bbc115f3 /imap/src/osdep/unix/gr_wait.c | |
download | alpine-094ca96844842928810f14844413109fc6cdd890.tar.xz |
Initial Alpine Version
Diffstat (limited to 'imap/src/osdep/unix/gr_wait.c')
-rw-r--r-- | imap/src/osdep/unix/gr_wait.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/imap/src/osdep/unix/gr_wait.c b/imap/src/osdep/unix/gr_wait.c new file mode 100644 index 00000000..626c57e8 --- /dev/null +++ b/imap/src/osdep/unix/gr_wait.c @@ -0,0 +1,46 @@ +/* ======================================================================== + * Copyright 1988-2006 University of Washington + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * + * ======================================================================== + */ + +/* + * Program: UNIX Grim PID Reaper -- wait() version + * + * Author: Mark Crispin + * Networks and Distributed Computing + * Computing & Communications + * University of Washington + * Administration Building, AG-44 + * Seattle, WA 98195 + * Internet: MRC@CAC.Washington.EDU + * + * Date: 30 November 1993 + * Last Edited: 30 August 2006 + */ + +/* Grim PID reaper + * Accepts: process ID + * kill request flag + * status return value + */ + +void grim_pid_reap_status (int pid,int killreq,void *status) +{ + int r; + if (killreq) { + kill (pid,SIGHUP); /* kill if not already dead */ + alarm (10); /* in case we get hosed */ + while (((r = wait (NIL)) != pid) && + ((r > 0) || ((errno != ECHILD) && (errno != EINTR)))); + alarm (0); /* cancel the alarm */ + } + else while (((r = wait (status)) != pid) && ((r > 0) || (errno != ECHILD))); +} |