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feat(editor): 'autowriteall' on SIGHUP/SIGQUIT #32843

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Problem:
Upon receiving a deadly signal, Nvim doesn't write buffers even if
the option 'autowriteall' is set.

Solution:
Write to all writable buffers upon SIGHUP or SIGQUIT (but not
SIGTERM), if the option 'autowriteall' is set.

Co-authored-by: Justin M. Keyes <justinkz@gmail.com>
This commit is contained in:
Skoh
2025-03-31 15:14:45 +02:00
committed by GitHub
parent 2e5958186a
commit 4dabeff308
3 changed files with 79 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
src/nvim/os/signal.c
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@@ -12,16 +12,18 @@
#include "nvim/eval.h"
#include "nvim/event/defs.h"
#include "nvim/event/signal.h"
#include "nvim/ex_cmds2.h"
#include "nvim/globals.h"
#include "nvim/log.h"
#include "nvim/main.h"
#include "nvim/option_vars.h"
#include "nvim/os/signal.h"
#ifdef SIGPWR
# include "nvim/memline.h"
#endif
static SignalWatcher spipe, shup, squit, sterm, susr1, swinch;
static SignalWatcher spipe, shup, squit, sterm, susr1, swinch, ststp;
#ifdef SIGPWR
static SignalWatcher spwr;
#endif
@@ -48,6 +50,7 @@ void signal_init(void)
signal_watcher_init(&main_loop, &shup, NULL);
signal_watcher_init(&main_loop, &squit, NULL);
signal_watcher_init(&main_loop, &sterm, NULL);
signal_watcher_init(&main_loop, &ststp, NULL);
#ifdef SIGPWR
signal_watcher_init(&main_loop, &spwr, NULL);
#endif
@@ -67,6 +70,7 @@ void signal_teardown(void)
signal_watcher_close(&shup, NULL);
signal_watcher_close(&squit, NULL);
signal_watcher_close(&sterm, NULL);
signal_watcher_close(&ststp, NULL);
#ifdef SIGPWR
signal_watcher_close(&spwr, NULL);
#endif
@@ -88,6 +92,9 @@ void signal_start(void)
signal_watcher_start(&squit, on_signal, SIGQUIT);
#endif
signal_watcher_start(&sterm, on_signal, SIGTERM);
#ifdef SIGTSTP
signal_watcher_start(&ststp, on_signal, SIGTSTP);
#endif
#ifdef SIGPWR
signal_watcher_start(&spwr, on_signal, SIGPWR);
#endif
@@ -109,6 +116,7 @@ void signal_stop(void)
signal_watcher_stop(&squit);
#endif
signal_watcher_stop(&sterm);
signal_watcher_stop(&ststp);
#ifdef SIGPWR
signal_watcher_stop(&spwr);
#endif
@@ -143,6 +151,10 @@ static char *signal_name(int signum)
#endif
case SIGTERM:
return "SIGTERM";
#ifdef SIGTSTP
case SIGTSTP:
return "SIGTSTP";
#endif
#ifdef SIGQUIT
case SIGQUIT:
return "SIGQUIT";
@@ -177,6 +189,10 @@ static void deadly_signal(int signum)
snprintf(IObuff, IOSIZE, "Nvim: Caught deadly signal '%s'\n", signal_name(signum));
if (p_awa && signum != SIGTERM) {
autowrite_all();
}
// Preserve files and exit.
preserve_exit(IObuff);
}
@@ -197,6 +213,9 @@ static void on_signal(SignalWatcher *handle, int signum, void *data)
break;
#endif
case SIGTERM:
#ifdef SIGTSTP
case SIGTSTP:
#endif
#ifdef SIGQUIT
case SIGQUIT:
#endif