gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

syscall: the signal received during system call processing is not processed.

Browse Source 
Refs: #1176
Fujitsu: POSTK_DEBUG_TEMP_FIX_56
Change-Id: I410160ccbcef3ef49a0e37611a608bc87c97e63b
This commit is contained in:
Tomoki Shirasawa
2018-09-07 14:54:45 +09:00
committed by Masamichi Takagi
parent e4da71010c
commit 5e760db417
10 changed files with 485 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
kernel/syscall.c
View File

@ -9523,11 +9523,8 @@ set_cputime(int mode)
long syscall(int num, ihk_mc_user_context_t *ctx)
{
long l;
#if !defined(POSTK_DEBUG_TEMP_FIX_60) && !defined(POSTK_DEBUG_TEMP_FIX_56)
struct thread *thread = cpu_local_var(current);
#else /* !defined(POSTK_DEBUG_TEMP_FIX_60) && !defined(POSTK_DEBUG_TEMP_FIX_56) */
struct thread *thread = cpu_local_var(current);
#endif /* !defined(POSTK_DEBUG_TEMP_FIX_60) && !defined(POSTK_DEBUG_TEMP_FIX_56) */
struct cpu_local_var *v = get_this_cpu_local_var();
struct thread *thread = v->current;
#ifdef DISABLE_SCHED_YIELD
if (num != __NR_sched_yield)
@ -9629,22 +9626,9 @@ long syscall(int num, ihk_mc_user_context_t *ctx)
}
#endif // PROFILE_ENABLE
#if defined(POSTK_DEBUG_TEMP_FIX_60) && defined(POSTK_DEBUG_TEMP_FIX_56)
check_need_resched();
#elif defined(POSTK_DEBUG_TEMP_FIX_60) /* sched_yield called check_signal fix. */
if (num != __NR_futex) {
if (v->flags & CPU_FLAG_NEED_RESCHED) {
check_need_resched();
}
#elif defined(POSTK_DEBUG_TEMP_FIX_56) /* in futex_wait() signal handring fix. */
if (num != __NR_sched_yield) {
check_need_resched();
}
#else /* POSTK_DEBUG_TEMP_FIX_60 && POSTK_DEBUG_TEMP_FIX_56 */
if (num != __NR_sched_yield &&
num != __NR_futex) {
check_need_resched();
}
#endif /* POSTK_DEBUG_TEMP_FIX_60 && POSTK_DEBUG_TEMP_FIX_56 */
if (!list_empty(&thread->sigpending) ||
!list_empty(&thread->sigcommon->sigpending)) {