diff options
Diffstat (limited to 'src/xz/signals.c')
| -rw-r--r-- | src/xz/signals.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/src/xz/signals.c b/src/xz/signals.c index 7aef463..20f03be 100644 --- a/src/xz/signals.c +++ b/src/xz/signals.c @@ -1,3 +1,5 @@ +// SPDX-License-Identifier: 0BSD + /////////////////////////////////////////////////////////////////////////////// // /// \file signals.c @@ -5,9 +7,6 @@ // // Author: Lasse Collin // -// This file has been put into the public domain. -// You can do whatever you want with this file. -// /////////////////////////////////////////////////////////////////////////////// #include "private.h" @@ -50,6 +49,10 @@ signal_handler(int sig) } +#ifdef __APPLE__ +# pragma GCC diagnostic push +# pragma GCC diagnostic ignored "-Wsign-conversion" +#endif extern void signals_init(void) { @@ -82,6 +85,11 @@ signals_init(void) sigaddset(&hooked_signals, message_progress_sigs[i]); #endif +#ifdef USE_SIGTSTP_HANDLER + // Add the SIGTSTP handler from mytime.c to hooked_signals. + sigaddset(&hooked_signals, SIGTSTP); +#endif + // Using "my_sa" because "sa" may conflict with a sockaddr variable // from system headers on Solaris. struct sigaction my_sa; @@ -96,10 +104,11 @@ signals_init(void) my_sa.sa_flags = 0; my_sa.sa_handler = &signal_handler; + struct sigaction old; + for (size_t i = 0; i < ARRAY_SIZE(sigs); ++i) { // If the parent process has left some signals ignored, // we don't unignore them. - struct sigaction old; if (sigaction(sigs[i], NULL, &old) == 0 && old.sa_handler == SIG_IGN) continue; @@ -109,10 +118,22 @@ signals_init(void) message_signal_handler(); } +#ifdef USE_SIGTSTP_HANDLER + if (!(sigaction(SIGTSTP, NULL, &old) == 0 + && old.sa_handler == SIG_IGN)) { + my_sa.sa_handler = &mytime_sigtstp_handler; + if (sigaction(SIGTSTP, &my_sa, NULL)) + message_signal_handler(); + } +#endif + signals_are_initialized = true; return; } +#ifdef __APPLE__ +# pragma GCC diagnostic pop +#endif #ifndef __VMS |