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| author | Bram Moolenaar <Bram@vim.org> | 2020-06-10 20:56:58 +0200 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2020-06-10 20:56:58 +0200 |
| commit | be5ee8686a50acf07b823bd293f9c765e533d213 (patch) | |
| tree | fc5056db66c81eefa83a30afae305b9b027677d8 /src/os_unix.c | |
| parent | 6ba24d87630b1ec2b8c7ff71550c9e41d143800e (diff) | |
| download | vim-git-be5ee8686a50acf07b823bd293f9c765e533d213.tar.gz | |
patch 8.2.0952: no simple way to interrupt Vimv8.2.0952
Problem: No simple way to interrupt Vim.
Solution: Add the SigUSR1 autocommand, triggered by SIGUSR1. (Jacob Hayes,
closes #1718)
Diffstat (limited to 'src/os_unix.c')
| -rw-r--r-- | src/os_unix.c | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/src/os_unix.c b/src/os_unix.c index c6ba2499b..095e3a78e 100644 --- a/src/os_unix.c +++ b/src/os_unix.c @@ -164,6 +164,9 @@ static RETSIGTYPE sig_winch SIGPROTOARG; #if defined(SIGINT) static RETSIGTYPE catch_sigint SIGPROTOARG; #endif +#if defined(SIGUSR1) +static RETSIGTYPE catch_sigusr1 SIGPROTOARG; +#endif #if defined(SIGPWR) static RETSIGTYPE catch_sigpwr SIGPROTOARG; #endif @@ -297,7 +300,7 @@ static struct signalinfo {SIGXFSZ, "XFSZ", TRUE}, #endif #ifdef SIGUSR1 - {SIGUSR1, "USR1", TRUE}, + {SIGUSR1, "USR1", FALSE}, #endif #if defined(SIGUSR2) && !defined(FEAT_SYSMOUSE) // Used for sysmouse handling @@ -837,6 +840,17 @@ catch_sigint SIGDEFARG(sigarg) } #endif +#if defined(SIGUSR1) + static RETSIGTYPE +catch_sigusr1 SIGDEFARG(sigarg) +{ + // this is not required on all systems, but it doesn't hurt anybody + signal(SIGUSR1, (RETSIGTYPE (*)())catch_sigusr1); + got_sigusr1 = TRUE; + SIGRETURN; +} +#endif + #if defined(SIGPWR) static RETSIGTYPE catch_sigpwr SIGDEFARG(sigarg) @@ -1323,10 +1337,10 @@ set_signals(void) #if defined(SIGCONT) signal(SIGCONT, sigcont_handler); #endif +#ifdef SIGPIPE /* * We want to ignore breaking of PIPEs. */ -#ifdef SIGPIPE signal(SIGPIPE, SIG_IGN); #endif @@ -1334,6 +1348,13 @@ set_signals(void) catch_int_signal(); #endif +#ifdef SIGUSR1 + /* + * Call user's handler on SIGUSR1 + */ + signal(SIGUSR1, (RETSIGTYPE (*)())catch_sigusr1); +#endif + /* * Ignore alarm signals (Perl's alarm() generates it). */ @@ -1341,11 +1362,11 @@ set_signals(void) signal(SIGALRM, SIG_IGN); #endif +#ifdef SIGPWR /* * Catch SIGPWR (power failure?) to preserve the swap files, so that no * work will be lost. */ -#ifdef SIGPWR signal(SIGPWR, (RETSIGTYPE (*)())catch_sigpwr); #endif |