aboutsummaryrefslogtreecommitdiff
path: root/bsd-user
diff options
context:
space:
mode:
authorStacey Son <sson@FreeBSD.org>2023-09-25 21:27:07 +0300
committerWarner Losh <imp@bsdimp.com>2023-10-03 17:14:07 -0600
commitf9bbe3cf28ae7157724a364da6f4a7231f2fdfb3 (patch)
tree5f804bb88ad24c4157482030eef03c7074887272 /bsd-user
parent9d14db15b121c81a008098c46053d98cd6a0da6b (diff)
downloadqemu-f9bbe3cf28ae7157724a364da6f4a7231f2fdfb3.zip
qemu-f9bbe3cf28ae7157724a364da6f4a7231f2fdfb3.tar.gz
qemu-f9bbe3cf28ae7157724a364da6f4a7231f2fdfb3.tar.bz2
bsd-user: Implement shmctl(2)
Signed-off-by: Stacey Son <sson@FreeBSD.org> Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230925182709.4834-22-kariem.taha2.7@gmail.com>
Diffstat (limited to 'bsd-user')
-rw-r--r--bsd-user/bsd-mem.h39
-rw-r--r--bsd-user/freebsd/os-syscall.c4
2 files changed, 43 insertions, 0 deletions
diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h
index c362cc0..b82f3ea 100644
--- a/bsd-user/bsd-mem.h
+++ b/bsd-user/bsd-mem.h
@@ -305,4 +305,43 @@ static inline abi_long do_bsd_shmget(abi_long arg1, abi_ulong arg2,
return get_errno(shmget(arg1, arg2, arg3));
}
+/* shmctl(2) */
+static inline abi_long do_bsd_shmctl(abi_long shmid, abi_long cmd,
+ abi_ulong buff)
+{
+ struct shmid_ds dsarg;
+ abi_long ret = -TARGET_EINVAL;
+
+ cmd &= 0xff;
+
+ switch (cmd) {
+ case IPC_STAT:
+ if (target_to_host_shmid_ds(&dsarg, buff)) {
+ return -TARGET_EFAULT;
+ }
+ ret = get_errno(shmctl(shmid, cmd, &dsarg));
+ if (host_to_target_shmid_ds(buff, &dsarg)) {
+ return -TARGET_EFAULT;
+ }
+ break;
+
+ case IPC_SET:
+ if (target_to_host_shmid_ds(&dsarg, buff)) {
+ return -TARGET_EFAULT;
+ }
+ ret = get_errno(shmctl(shmid, cmd, &dsarg));
+ break;
+
+ case IPC_RMID:
+ ret = get_errno(shmctl(shmid, cmd, NULL));
+ break;
+
+ default:
+ ret = -TARGET_EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
#endif /* BSD_USER_BSD_MEM_H */
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index 4f67677..0512d41 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -867,6 +867,10 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
ret = do_bsd_shmget(arg1, arg2, arg3);
break;
+ case TARGET_FREEBSD_NR_shmctl: /* shmctl(2) */
+ ret = do_bsd_shmctl(arg1, arg2, arg3);
+ break;
+
/*
* Misc
*/