lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-08-08 17:42:12 +03:00
Code Activity

linux: always update select timeout (BZ #27706)

Browse Source 
The timeout should be updated even on failure for time64 support.

Checked on i686-linux-gnu.
This commit is contained in:
Adhemerval Zanella
2021-04-08 07:39:32 -03:00
parent 9d7c5cc38e
commit cedbf6d5f3
2 changed files with 32 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
misc/tst-select.c
View File

@@ -23,6 +23,7 @@
#include <support/timespec.h>
#include <support/xunistd.h>
#include <support/xtime.h>
#include <support/xsignal.h>
struct child_args
{
@@ -30,6 +31,12 @@ struct child_args
struct timeval tmo;
};
static void
alarm_handler (int signum)
{
/* Do nothing. */
}
static void
do_test_child (void *clousure)
{
@@ -59,6 +66,22 @@ do_test_child (void *clousure)
xwrite (args->fds[1][1], "foo", 3);
}
static void
do_test_child_alarm (void *clousure)
{
struct sigaction act = { .sa_handler = alarm_handler };
xsigaction (SIGALRM, &act, NULL);
alarm (1);
struct timeval tv = { .tv_sec = 10, .tv_usec = 0 };
int r = select (0, NULL, NULL, NULL, &tv);
TEST_COMPARE (r, -1);
TEST_COMPARE (errno, EINTR);
if (support_select_modifies_timeout ())
TEST_VERIFY (tv.tv_sec < 10);
}
static int
do_test (void)
{
@@ -98,6 +121,13 @@ do_test (void)
xclose (args.fds[0][0]);
xclose (args.fds[1][1]);
{
struct support_capture_subprocess result;
result = support_capture_subprocess (do_test_child_alarm, NULL);
support_capture_subprocess_check (&result, "tst-select-child", 0,
sc_allow_none);
}
{
fd_set rfds;
FD_ZERO (&rfds);