diff options
Diffstat (limited to 'Master/tlpkg/tlperl/lib/POSIX.pod')
| -rw-r--r-- | Master/tlpkg/tlperl/lib/POSIX.pod | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/Master/tlpkg/tlperl/lib/POSIX.pod b/Master/tlpkg/tlperl/lib/POSIX.pod index 64852e94b6b..f7bd0f3a3c2 100644 --- a/Master/tlpkg/tlperl/lib/POSIX.pod +++ b/Master/tlpkg/tlperl/lib/POSIX.pod @@ -1196,6 +1196,10 @@ Synopsis: Returns C<undef> on failure. +Note that you can't reliably block or unblock a signal from its own signal +handler if you're using safe signals. Other signals can be blocked or unblocked +reliably. + =item sigsetjmp C<sigsetjmp()> is C-specific: use C<eval {}> instead, @@ -2184,33 +2188,37 @@ WIFEXITED WEXITSTATUS WIFSIGNALED WTERMSIG WIFSTOPPED WSTOPSIG =item WIFEXITED -WIFEXITED($?) returns true if the child process exited normally -(C<exit()> or by falling off the end of C<main()>) +WIFEXITED(${^CHILD_ERROR_NATIVE}) returns true if the child process +exited normally (C<exit()> or by falling off the end of C<main()>) =item WEXITSTATUS -WEXITSTATUS($?) returns the normal exit status of the child process -(only meaningful if WIFEXITED($?) is true) +WEXITSTATUS(${^CHILD_ERROR_NATIVE}) returns the normal exit status of +the child process (only meaningful if WIFEXITED(${^CHILD_ERROR_NATIVE}) +is true) =item WIFSIGNALED -WIFSIGNALED($?) returns true if the child process terminated because -of a signal +WIFSIGNALED(${^CHILD_ERROR_NATIVE}) returns true if the child process +terminated because of a signal =item WTERMSIG -WTERMSIG($?) returns the signal the child process terminated for -(only meaningful if WIFSIGNALED($?) is true) +WTERMSIG(${^CHILD_ERROR_NATIVE}) returns the signal the child process +terminated for (only meaningful if WIFSIGNALED(${^CHILD_ERROR_NATIVE}) +is true) =item WIFSTOPPED -WIFSTOPPED($?) returns true if the child process is currently stopped -(can happen only if you specified the WUNTRACED flag to waitpid()) +WIFSTOPPED(${^CHILD_ERROR_NATIVE}) returns true if the child process is +currently stopped (can happen only if you specified the WUNTRACED flag +to waitpid()) =item WSTOPSIG -WSTOPSIG($?) returns the signal the child process was stopped for -(only meaningful if WIFSTOPPED($?) is true) +WSTOPSIG(${^CHILD_ERROR_NATIVE}) returns the signal the child process +was stopped for (only meaningful if WIFSTOPPED(${^CHILD_ERROR_NATIVE}) +is true) =back |