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Handle jobserver file descriptors in btest. 

PR testsuite/102742

libbacktrace/ChangeLog:

	* btest.c (MIN_DESCRIPTOR): New.
	(MAX_DESCRIPTOR): Likewise.
	(check_available_files): Likewise.
	(check_open_files): Check only file descriptors that
	were not available at the entry.
	(main): Call check_available_files.
This commit is contained in:
Martin Liska 2021-10-22 10:12:56 +02:00
parent c31d2d14f7
commit 690180eb4b
1 changed files with 20 additions and 4 deletions
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24
libbacktrace/btest.c
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@ -38,6 +38,7 @@ POSSIBILITY OF SUCH DAMAGE. */
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include "filenames.h"
@ -458,16 +459,29 @@ test5 (void)
return failures;
}
#define MIN_DESCRIPTOR 3
#define MAX_DESCRIPTOR 10
static int fstat_status[MAX_DESCRIPTOR];
/* Check files that are available. */
static void
check_available_files (void)
{
struct stat s;
for (unsigned i = MIN_DESCRIPTOR; i < MAX_DESCRIPTOR; i++)
fstat_status[i] = fstat (i, &s);
}
/* Check that are no files left open. */
static void
check_open_files (void)
{
int i;
for (i = 3; i < 10; i++)
for (unsigned i = MIN_DESCRIPTOR; i < MAX_DESCRIPTOR; i++)
{
if (close (i) == 0)
if (fstat_status[i] != 0 && close (i) == 0)
{
fprintf (stderr,
"ERROR: descriptor %d still open after tests complete\n",
@ -482,6 +496,8 @@ check_open_files (void)
int
main (int argc ATTRIBUTE_UNUSED, char **argv)
{
check_available_files ();
state = backtrace_create_state (argv[0], BACKTRACE_SUPPORTS_THREADS,
error_callback_create, NULL);