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Type Select::got_signal as volatile sig_atomic_t

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Fixes #634.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
This commit is contained in:
Anders Kaseorg
2018-01-18 03:11:59 -05:00
parent d4ce0d4f4f
commit 10dca75fb2
1 changed files with 7 additions and 3 deletions
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src/util/select.h
+7 -3
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@@ -74,7 +74,11 @@ private:
void clear_got_signal( void )
{
memset( got_signal, 0, sizeof( got_signal ) );
for ( volatile sig_atomic_t *p = got_signal;
p < got_signal + sizeof( got_signal ) / sizeof( *got_signal );
p++ ) {
*p = 0;
}
}
/* not implemented */
@@ -227,9 +231,9 @@ private:
int max_fd;
/* We assume writes to these ints are atomic, though we also try to mask out
/* We assume writes to got_signal are atomic, though we also try to mask out
concurrent signal handlers. */
int got_signal[ MAX_SIGNAL_NUMBER + 1 ];
volatile sig_atomic_t got_signal[ MAX_SIGNAL_NUMBER + 1 ];
fd_set all_fds, read_fds;