uzix/picocom
1
0
Fork 0
mirror of https://github.com/UzixLS/picocom.git synced 2025-07-19 07:21:18 +03:00
Code Issues Projects Releases Wiki Activity

Retry tcsetattr() on EINTR, for term_lib_init() and term_exitfunc()

Browse Source 
In term_exitfunc() (which is called via atexit(3)) and
term_lib_init() (which resets ALL managed terminals to their original
attributes), if tcsetattr(3) fails with EINTR, try again.
This commit is contained in:
Nick Patavalis
2015-08-16 06:49:06 +03:00
parent 5af6cabde6
commit 70971db6c1
1 changed files with 5 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
term.c
View File

@ -335,12 +335,10 @@ term_exitfunc (void)
for (i = 0; i < MAX_TERMS; i++) {
if (term.fd[i] == -1)
continue;
do { /* dummy */
r = tcflush(term.fd[i], TCIOFLUSH);
if ( r < 0 ) break;
tcflush(term.fd[i], TCIOFLUSH);
do {
r = tcsetattr(term.fd[i], TCSAFLUSH, &term.origtermios[i]);
if ( r < 0 ) break;
} while (0);
} while ( r < 0 && errno == EINTR );
if ( r < 0 ) {
char *tname;
@ -369,12 +367,10 @@ term_lib_init (void)
for (i = 0; i < MAX_TERMS; i++) {
if (term.fd[i] == -1)
continue;
tcflush(term.fd[i], TCIOFLUSH);
do {
r = tcflush(term.fd[i], TCIOFLUSH);
if ( r < 0 ) break;
r = tcsetattr(term.fd[i], TCSAFLUSH, &term.origtermios[i]);
if ( r < 0 ) break;
} while (0);
} while ( r < 0 && errno == EINTR );
if ( r < 0 ) {
char *tname;