summaryrefslogtreecommitdiffstats
path: root/freebsd/sys/kern/uipc_syscalls.c
diff options
context:
space:
mode:
Diffstat (limited to 'freebsd/sys/kern/uipc_syscalls.c')
-rw-r--r--freebsd/sys/kern/uipc_syscalls.c61
1 files changed, 51 insertions, 10 deletions
diff --git a/freebsd/sys/kern/uipc_syscalls.c b/freebsd/sys/kern/uipc_syscalls.c
index 738b5c3c..b0c83e60 100644
--- a/freebsd/sys/kern/uipc_syscalls.c
+++ b/freebsd/sys/kern/uipc_syscalls.c
@@ -111,6 +111,13 @@ static int kern_getsockopt( struct thread *td, int s, int level, int name,
void *val, enum uio_seg valseg, socklen_t *valsize);
#endif /* __rtems__ */
+/*
+ * Creation flags, OR'ed into socket() and socketpair() type argument.
+ * For stable/9, these are supported but not exposed in the header file.
+ */
+#define SOCK_CLOEXEC 0x10000000
+#define SOCK_NONBLOCK 0x20000000
+
static int sendit(struct thread *td, int s, struct msghdr *mp, int flags);
static int recvit(struct thread *td, int s, struct msghdr *mp, void *namelenp);
@@ -239,11 +246,26 @@ sys_socket(td, uap)
#endif /* __rtems__ */
struct socket *so;
struct file *fp;
- int fd, error;
+ int fd, error, type, oflag, fflag;
AUDIT_ARG_SOCKET(uap->domain, uap->type, uap->protocol);
+
+ type = uap->type;
+ oflag = 0;
+ fflag = 0;
+#ifndef __rtems__
+ if ((type & SOCK_CLOEXEC) != 0) {
+ type &= ~SOCK_CLOEXEC;
+ oflag |= O_CLOEXEC;
+ }
+#endif /* __rtems__ */
+ if ((type & SOCK_NONBLOCK) != 0) {
+ type &= ~SOCK_NONBLOCK;
+ fflag |= FNONBLOCK;
+ }
+
#ifdef MAC
- error = mac_socket_check_create(td->td_ucred, uap->domain, uap->type,
+ error = mac_socket_check_create(td->td_ucred, uap->domain, type,
uap->protocol);
if (error)
return (error);
@@ -251,16 +273,18 @@ sys_socket(td, uap)
#ifndef __rtems__
fdp = td->td_proc->p_fd;
#endif /* __rtems__ */
- error = falloc(td, &fp, &fd, 0);
+ error = falloc(td, &fp, &fd, oflag);
if (error)
return (error);
/* An extra reference on `fp' has been held for us by falloc(). */
- error = socreate(uap->domain, &so, uap->type, uap->protocol,
+ error = socreate(uap->domain, &so, type, uap->protocol,
td->td_ucred, td);
if (error) {
fdclose(fdp, fp, fd, td);
} else {
- finit(fp, FREAD | FWRITE, DTYPE_SOCKET, so, &socketops);
+ finit(fp, FREAD | FWRITE | fflag, DTYPE_SOCKET, so, &socketops);
+ if ((fflag & FNONBLOCK) != 0)
+ (void) fo_ioctl(fp, FIONBIO, &fflag, td->td_ucred, td);
td->td_retval[0] = fd;
}
fdrop(fp, td);
@@ -798,9 +822,20 @@ kern_socketpair(struct thread *td, int domain, int type, int protocol,
struct filedesc *fdp = td->td_proc->p_fd;
struct file *fp1, *fp2;
struct socket *so1, *so2;
- int fd, error;
+ int fd, error, oflag, fflag;
AUDIT_ARG_SOCKET(domain, type, protocol);
+
+ oflag = 0;
+ fflag = 0;
+ if ((type & SOCK_CLOEXEC) != 0) {
+ type &= ~SOCK_CLOEXEC;
+ oflag |= O_CLOEXEC;
+ }
+ if ((type & SOCK_NONBLOCK) != 0) {
+ type &= ~SOCK_NONBLOCK;
+ fflag |= FNONBLOCK;
+ }
#ifdef MAC
/* We might want to have a separate check for socket pairs. */
error = mac_socket_check_create(td->td_ucred, domain, type,
@@ -815,12 +850,12 @@ kern_socketpair(struct thread *td, int domain, int type, int protocol,
if (error)
goto free1;
/* On success extra reference to `fp1' and 'fp2' is set by falloc. */
- error = falloc(td, &fp1, &fd, 0);
+ error = falloc(td, &fp1, &fd, oflag);
if (error)
goto free2;
rsv[0] = fd;
fp1->f_data = so1; /* so1 already has ref count */
- error = falloc(td, &fp2, &fd, 0);
+ error = falloc(td, &fp2, &fd, oflag);
if (error)
goto free3;
fp2->f_data = so2; /* so2 already has ref count */
@@ -836,8 +871,14 @@ kern_socketpair(struct thread *td, int domain, int type, int protocol,
if (error)
goto free4;
}
- finit(fp1, FREAD | FWRITE, DTYPE_SOCKET, fp1->f_data, &socketops);
- finit(fp2, FREAD | FWRITE, DTYPE_SOCKET, fp2->f_data, &socketops);
+ finit(fp1, FREAD | FWRITE | fflag, DTYPE_SOCKET, fp1->f_data,
+ &socketops);
+ finit(fp2, FREAD | FWRITE | fflag, DTYPE_SOCKET, fp2->f_data,
+ &socketops);
+ if ((fflag & FNONBLOCK) != 0) {
+ (void) fo_ioctl(fp1, FIONBIO, &fflag, td->td_ucred, td);
+ (void) fo_ioctl(fp2, FIONBIO, &fflag, td->td_ucred, td);
+ }
fdrop(fp1, td);
fdrop(fp2, td);
return (0);