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authorgVisor bot <gvisor-bot@google.com>2021-01-08 04:59:00 +0000
committergVisor bot <gvisor-bot@google.com>2021-01-08 04:59:00 +0000
commit5b5d2f473597a9ccc644ee4bf7370147397f0853 (patch)
tree95d782d284ab4e18269954a105761c1c6765dbc7 /pkg/sentry/syscalls
parentc29cd7658b69ef231ca851e3dda1160f602bb127 (diff)
parentbf343394d4988c01461b59b6b05bc508f26855eb (diff)
Merge release-20201216.0-72-gbf343394d (automated)
Diffstat (limited to 'pkg/sentry/syscalls')
-rw-r--r--pkg/sentry/syscalls/linux/linux64.go4
-rw-r--r--pkg/sentry/syscalls/linux/sys_sem.go9
2 files changed, 11 insertions, 2 deletions
diff --git a/pkg/sentry/syscalls/linux/linux64.go b/pkg/sentry/syscalls/linux/linux64.go
index b815e498f..a72df62f6 100644
--- a/pkg/sentry/syscalls/linux/linux64.go
+++ b/pkg/sentry/syscalls/linux/linux64.go
@@ -272,7 +272,7 @@ var AMD64 = &kernel.SyscallTable{
217: syscalls.Supported("getdents64", Getdents64),
218: syscalls.Supported("set_tid_address", SetTidAddress),
219: syscalls.Supported("restart_syscall", RestartSyscall),
- 220: syscalls.ErrorWithEvent("semtimedop", syserror.ENOSYS, "", []string{"gvisor.dev/issue/137"}),
+ 220: syscalls.PartiallySupported("semtimedop", Semtimedop, "A non-zero timeout argument isn't supported.", []string{"gvisor.dev/issue/137"}),
221: syscalls.PartiallySupported("fadvise64", Fadvise64, "Not all options are supported.", nil),
222: syscalls.Supported("timer_create", TimerCreate),
223: syscalls.Supported("timer_settime", TimerSettime),
@@ -620,7 +620,7 @@ var ARM64 = &kernel.SyscallTable{
189: syscalls.ErrorWithEvent("msgsnd", syserror.ENOSYS, "", []string{"gvisor.dev/issue/135"}), // TODO(b/29354921)
190: syscalls.Supported("semget", Semget),
191: syscalls.PartiallySupported("semctl", Semctl, "Options SEM_STAT_ANY not supported.", nil),
- 192: syscalls.ErrorWithEvent("semtimedop", syserror.ENOSYS, "", []string{"gvisor.dev/issue/137"}),
+ 192: syscalls.PartiallySupported("semtimedop", Semtimedop, "A non-zero timeout argument isn't supported.", []string{"gvisor.dev/issue/137"}),
193: syscalls.PartiallySupported("semop", Semop, "Option SEM_UNDO not supported.", nil),
194: syscalls.PartiallySupported("shmget", Shmget, "Option SHM_HUGETLB is not supported.", nil),
195: syscalls.PartiallySupported("shmctl", Shmctl, "Options SHM_LOCK, SHM_UNLOCK are not supported.", nil),
diff --git a/pkg/sentry/syscalls/linux/sys_sem.go b/pkg/sentry/syscalls/linux/sys_sem.go
index 1166cd7bb..d324461a3 100644
--- a/pkg/sentry/syscalls/linux/sys_sem.go
+++ b/pkg/sentry/syscalls/linux/sys_sem.go
@@ -48,6 +48,15 @@ func Semget(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.Syscal
return uintptr(set.ID), nil, nil
}
+// Semtimedop handles: semop(int semid, struct sembuf *sops, size_t nsops, const struct timespec *timeout)
+func Semtimedop(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallControl, error) {
+ // TODO(gvisor.dev/issue/137): A non-zero timeout isn't supported.
+ if args[3].Pointer() != 0 {
+ return 0, nil, syserror.ENOSYS
+ }
+ return Semop(t, args)
+}
+
// Semop handles: semop(int semid, struct sembuf *sops, size_t nsops)
func Semop(t *kernel.Task, args arch.SyscallArguments) (uintptr, *kernel.SyscallControl, error) {
id := args[0].Int()