* mdocml: clean up the temporary file when the process dies from a signal
@ 2015-07-18 3:42 schwarze
0 siblings, 0 replies; only message in thread
From: schwarze @ 2015-07-18 3:42 UTC (permalink / raw)
To: source
Log Message:
-----------
clean up the temporary file when the process dies from a signal
Modified Files:
--------------
mdocml:
tag.c
Revision Data
-------------
Index: tag.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/tag.c,v
retrieving revision 1.1
retrieving revision 1.2
diff -Ltag.c -Ltag.c -u -p -r1.1 -r1.2
--- tag.c
+++ tag.c
@@ -16,6 +16,7 @@
*/
#include <sys/types.h>
+#include <signal.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
@@ -36,6 +37,7 @@ struct tag_entry {
char s[];
};
+static void tag_signal(int);
static void *tag_alloc(size_t, void *);
static void tag_free(void *, void *);
static void *tag_calloc(size_t, size_t, void *);
@@ -56,6 +58,9 @@ tag_init(void)
struct ohash_info tag_info;
tag_fn = mandoc_strdup("/tmp/man.XXXXXXXXXX");
+ signal(SIGHUP, tag_signal);
+ signal(SIGINT, tag_signal);
+ signal(SIGTERM, tag_signal);
if ((tag_fd = mkstemp(tag_fn)) == -1) {
free(tag_fn);
tag_fn = NULL;
@@ -156,6 +161,17 @@ tag_unlink(void)
if (tag_fn != NULL)
unlink(tag_fn);
+}
+
+static void
+tag_signal(int signum)
+{
+
+ tag_unlink();
+ signal(signum, SIG_DFL);
+ kill(getpid(), signum);
+ /* NOTREACHED */
+ _exit(1);
}
/*
--
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