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events: add "Signal" event #9564

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..which gets triggered when SIGUSR1 is sent to the nvim process.

Closes #9562
This commit is contained in:
Marco Hinz
2019-02-04 02:39:05 +01:00
committed by Justin M. Keyes
parent da88278f27
commit 70f6939fd4
6 changed files with 70 additions and 1 deletions
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23
src/nvim/os/signal.c
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@@ -15,6 +15,7 @@
#include "nvim/globals.h"
#include "nvim/memline.h"
#include "nvim/eval.h"
#include "nvim/fileio.h"
#include "nvim/main.h"
#include "nvim/memory.h"
#include "nvim/misc1.h"
@@ -22,7 +23,7 @@
#include "nvim/os/signal.h"
#include "nvim/event/loop.h"
static SignalWatcher spipe, shup, squit, sterm;
static SignalWatcher spipe, shup, squit, sterm, susr1;
#ifdef SIGPWR
static SignalWatcher spwr;
#endif
@@ -61,6 +62,10 @@ void signal_init(void)
signal_watcher_init(&main_loop, &spwr, NULL);
signal_watcher_start(&spwr, on_signal, SIGPWR);
#endif
#ifdef SIGUSR1
signal_watcher_init(&main_loop, &susr1, NULL);
signal_watcher_start(&susr1, on_signal, SIGUSR1);
#endif
}
void signal_teardown(void)
@@ -73,6 +78,9 @@ void signal_teardown(void)
#ifdef SIGPWR
signal_watcher_close(&spwr, NULL);
#endif
#ifdef SIGUSR1
signal_watcher_close(&susr1, NULL);
#endif
}
void signal_stop(void)
@@ -84,6 +92,9 @@ void signal_stop(void)
#ifdef SIGPWR
signal_watcher_stop(&spwr);
#endif
#ifdef SIGUSR1
signal_watcher_stop(&susr1);
#endif
}
void signal_reject_deadly(void)
@@ -115,6 +126,10 @@ static char * signal_name(int signum)
#endif
case SIGHUP:
return "SIGHUP";
#ifdef SIGUSR1
case SIGUSR1:
return "SIGUSR1";
#endif
default:
return "Unknown";
}
@@ -162,6 +177,12 @@ static void on_signal(SignalWatcher *handle, int signum, void *data)
deadly_signal(signum);
}
break;
#ifdef SIGUSR1
case SIGUSR1:
apply_autocmds(EVENT_SIGNAL, (char_u *)"SIGUSR1", curbuf->b_fname, true,
curbuf);
break;
#endif
default:
ELOG("invalid signal: %d", signum);
break;