X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fwait-process.h;h=569845858f725b971ac8ed6bda5295d867fbcea3;hb=75ce01c4382e5acf45599baaade587f78ddfa956;hp=3d7a4cf39787ee79eb02fd2fa16c89faff089841;hpb=f7bab1b29955f86484cb70871c7b88915542abeb;p=gnulib.git

diff --git a/lib/wait-process.h b/lib/wait-process.h
index 3d7a4cf39..569845858 100644
--- a/lib/wait-process.h
+++ b/lib/wait-process.h
@@ -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, 2008-2010 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
@@ -48,13 +48,16 @@ extern "C" {
      slave process.
    - If exit_on_error is true, any error will cause the main process to exit
      with an error status.
-   - If termsigp is not NULL, *termsig will be set to the signal that
+   - 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, and the error message about the signal
+     that terminated the subprocess will be omitted.
+   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,
-			    int *termsigp);
+                            bool ignore_sigpipe, bool null_stderr,
+                            bool slave_process, bool exit_on_error,
+                            int *termsigp);
 
 /* Register a subprocess as being a slave process.  This means that the
    subprocess will be terminated when its creator receives a catchable fatal