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[PULL,48/51] bsd-user: Implement shm_unlink(2) and shmget(2)

Message ID 20231003233215.95557-49-imp@bsdimp.com
State New
Headers show
Series [PULL,01/51] bsd-user: define TARGET_RFSPAWN for rfork to use vfork(2) semantics, and fix RLIM_INFINITY | expand

Commit Message

Warner Losh Oct. 3, 2023, 11:32 p.m. UTC 
From: Stacey Son <sson@FreeBSD.org>

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-21-kariem.taha2.7@gmail.com>
---
 bsd-user/bsd-mem.h            | 23 +++++++++++++++++++++++
 bsd-user/freebsd/os-syscall.c |  8 ++++++++
 2 files changed, 31 insertions(+)
diff mbox series

Patch

diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h
index f8dc943c234..c362cc07a30 100644
--- a/bsd-user/bsd-mem.h
+++ b/bsd-user/bsd-mem.h
@@ -282,4 +282,27 @@  static inline abi_long do_bsd_shm_open(abi_ulong arg1, abi_long arg2,
     return ret;
 }
 
+/* shm_unlink(2) */
+static inline abi_long do_bsd_shm_unlink(abi_ulong arg1)
+{
+    int ret;
+    void *p;
+
+    p = lock_user_string(arg1);
+    if (p == NULL) {
+        return -TARGET_EFAULT;
+    }
+    ret = get_errno(shm_unlink(p)); /* XXX path(p)? */
+    unlock_user(p, arg1, 0);
+
+    return ret;
+}
+
+/* shmget(2) */
+static inline abi_long do_bsd_shmget(abi_long arg1, abi_ulong arg2,
+        abi_long arg3)
+{
+    return get_errno(shmget(arg1, arg2, arg3));
+}
+
 #endif /* BSD_USER_BSD_MEM_H */
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index 0d4c3118f0d..4f67677eb92 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -859,6 +859,14 @@  static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
         break;
 #endif
 
+    case TARGET_FREEBSD_NR_shm_unlink: /* shm_unlink(2) */
+        ret = do_bsd_shm_unlink(arg1);
+        break;
+
+    case TARGET_FREEBSD_NR_shmget: /* shmget(2) */
+        ret = do_bsd_shmget(arg1, arg2, arg3);
+        break;
+
         /*
          * Misc
          */