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ecore - be paranoid about storing errno from select immediately 

in theory another libc call could overwrite errno between select
exiting and errno being used for errors. be paranoid. i know of no
real bug that this causes though.
This commit is contained in:
Carsten Haitzler 2016-07-08 11:00:55 +09:00
parent e57084d5c5
commit 1abbfdd1f7
1 changed files with 4 additions and 4 deletions
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8
src/lib/ecore/ecore_main.c
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@ -1678,8 +1678,7 @@ _ecore_main_select(double timeout)
fd_set rfds, wfds, exfds;
Ecore_Fd_Handler *fdh;
Eina_List *l;
int max_fd;
int ret;
int max_fd, ret, err_no;
t = NULL;
if ((!ECORE_FINITE(timeout)) || (timeout == 0.0)) /* finite() tests for NaN, too big, too small, and infinity. */
@ -1767,14 +1766,15 @@ _ecore_main_select(double timeout)
eina_evlog("!SLEEP", NULL, 0.0, t ? "timeout" : "forever");
ret = main_loop_select(max_fd + 1, &rfds, &wfds, &exfds, t);
err_no = err_no;
eina_evlog("!WAKE", NULL, 0.0, NULL);
_ecore_time_loop_time = ecore_time_get();
if (ret < 0)
{
#ifndef _WIN32
if (errno == EINTR) return -1;
else if (errno == EBADF)
if (err_no == EINTR) return -1;
else if (err_no == EBADF)
_ecore_main_fd_handlers_bads_rem();
#endif
}