Mercurial > gnulib
changeset 11235:6d6cc28a5313
Clarify specification of wait_subprocess.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Sat, 28 Feb 2009 17:41:23 +0100 |
| parents | cf3001cea096 |
| children | d4475bf2a2bf |
| files | ChangeLog lib/wait-process.h |
| diffstat | 2 files changed, 10 insertions(+), 2 deletions(-) [+] |
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--- a/ChangeLog Sat Feb 28 16:05:43 2009 +0100 +++ b/ChangeLog Sat Feb 28 17:41:23 2009 +0100 @@ -1,3 +1,9 @@ +2009-02-28 Bruno Haible <bruno@clisp.org> + + * lib/wait-process.h (wait_subprocess): Clarify restriction regarding + SIGCHLD. + Reported by Jim Meyering. + 2009-02-28 Bruno Haible <bruno@clisp.org> * m4/printf.m4 (gl_PRINTF_DIRECTIVE_LS): Separate the two first tests.
--- a/lib/wait-process.h Sat Feb 28 16:05:43 2009 +0100 +++ b/lib/wait-process.h Sat Feb 28 17:41:23 2009 +0100 @@ -1,5 +1,5 @@ /* Waiting for a subprocess to finish. - Copyright (C) 2001-2003, 2006, 2008 Free Software Foundation, Inc. + Copyright (C) 2001-2003, 2006, 2008-2009 Free Software Foundation, Inc. Written by Bruno Haible <haible@clisp.cons.org>, 2001. This program is free software: you can redistribute it and/or modify @@ -50,7 +50,9 @@ with an error status. - If termsigp is not NULL, *termsig will be set to the signal that terminated the subprocess (if supported by the platform: not on native - Windows platforms), otherwise 0. */ + Windows platforms), otherwise 0. + Prerequisites: The signal handler for SIGCHLD should not be set to SIG_IGN, + otherwise this function will not work. */ extern int wait_subprocess (pid_t child, const char *progname, bool ignore_sigpipe, bool null_stderr, bool slave_process, bool exit_on_error,