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[Qemu-devel] [PATCH 28/34] linux-user: Restart sigaction() if signal pen
From: |
Timothy E Baldwin |
Subject: |
[Qemu-devel] [PATCH 28/34] linux-user: Restart sigaction() if signal pending |
Date: |
Sun, 6 Sep 2015 00:57:22 +0100 |
Signed-off-by: Timothy Edward Baldwin <address@hidden>
---
linux-user/signal.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/linux-user/signal.c b/linux-user/signal.c
index 15bd082..fc37f3b 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -629,7 +629,7 @@ out:
return ret;
}
-/* do_sigaction() return host values and errnos */
+/* do_sigaction() return target values and host errnos */
int do_sigaction(int sig, const struct target_sigaction *act,
struct target_sigaction *oact)
{
@@ -638,8 +638,14 @@ int do_sigaction(int sig, const struct target_sigaction
*act,
int host_sig;
int ret = 0;
- if (sig < 1 || sig > TARGET_NSIG || sig == TARGET_SIGKILL || sig ==
TARGET_SIGSTOP)
- return -EINVAL;
+ if (sig < 1 || sig > TARGET_NSIG || sig == TARGET_SIGKILL || sig ==
TARGET_SIGSTOP) {
+ return -TARGET_EINVAL;
+ }
+
+ if (block_signals()) {
+ return -TARGET_ERESTARTSYS;
+ }
+
k = &sigact_table[sig - 1];
#if defined(DEBUG_SIGNAL)
fprintf(stderr, "sigaction sig=%d act=0x%p, oact=0x%p\n",
--
2.1.4
- Re: [Qemu-devel] [PATCH 05/34] linux-user: Support for restarting system calls for ARM targets, (continued)
- [Qemu-devel] [PATCH 13/34] linux-user: Fix signal before blocking system calls race and SA_RESTART, Timothy E Baldwin, 2015/09/05
- [Qemu-devel] [PATCH 30/34] linux-user: Support for restarting system calls for OpenRISC targets, Timothy E Baldwin, 2015/09/05
- [Qemu-devel] [PATCH 29/34] linux-user: Support for restarting system calls for UniCore32 targets, Timothy E Baldwin, 2015/09/05
- [Qemu-devel] [PATCH 12/34] linux-user: Support for restarting system calls for APLHA targets, Timothy E Baldwin, 2015/09/05
- [Qemu-devel] [PATCH 28/34] linux-user: Restart sigaction() if signal pending,
Timothy E Baldwin <=
- [Qemu-devel] [PATCH 23/34] linux-user: Queue synchronous signals separately, Timothy E Baldwin, 2015/09/05
- [Qemu-devel] [PATCH 32/34] linux-user: Support for restarting system calls for S390 targets, Timothy E Baldwin, 2015/09/05
- [Qemu-devel] [PATCH 22/34] linux-user: Remove real-time signal queuing, Timothy E Baldwin, 2015/09/05
- [Qemu-devel] [PATCH 33/34] linux-user: Support for restarting system calls for CRIS targets, Timothy E Baldwin, 2015/09/05