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ACPICA: Unix application OSL: Correctly handle control-c (EINTR) 

ACPICA commit dfbb87c3a96cfd007375f34a96e6f4a8ee477f97

Handle EINTR from a sem_wait operation. Ignore a control-c.

Link: https://github.com/acpica/acpica/commit/dfbb87c3
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bob Moore 2017-06-05 16:42:07 +08:00 committed by Rafael J. Wysocki
parent b9ef2ab058
commit fdf8707bd5
1 changed files with 7 additions and 3 deletions
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10
tools/power/acpi/os_specific/service_layers/osunixxf.c
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@ -750,9 +750,9 @@ acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 msec_timeout)
{
acpi_status status = AE_OK;
sem_t *sem = (sem_t *) handle;
int ret_val;
#ifndef ACPI_USE_ALTERNATE_TIMEOUT
struct timespec time;
int ret_val;
#endif
if (!sem) {
@ -778,7 +778,10 @@ acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 msec_timeout)
case ACPI_WAIT_FOREVER:
if (sem_wait(sem)) {
while (((ret_val = sem_wait(sem)) == -1) && (errno == EINTR)) {
continue; /* Restart if interrupted */
}
if (ret_val != 0) {
status = (AE_TIME);
}
break;
@ -831,7 +834,8 @@ acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 msec_timeout)
while (((ret_val = sem_timedwait(sem, &time)) == -1)
&& (errno == EINTR)) {
continue;
continue; /* Restart if interrupted */
}
if (ret_val != 0) {