libc: Add missing pipe2() declaration and implementation.
Change-Id: Iacb914bd6ac5adc60c5671e6fef680ede21f9b0c
diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index f66ff40..4bcccb5 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -112,6 +112,7 @@
int fchmod(int, mode_t) 94
int dup(int) 41
int pipe(int *) 42,42,-1
+int pipe2(int *, int) 359,331
int dup2(int, int) 63
int select:_newselect(int, struct fd_set *, struct fd_set *, struct fd_set *, struct timeval *) 142
int ftruncate(int, off_t) 93
@@ -229,8 +230,8 @@
int sched_rr_get_interval(pid_t pid, struct timespec *interval) 161
# io priorities
-int ioprio_set(int which, int who, int ioprio) 314,289
-int ioprio_get(int which, int who) 315,290
+int ioprio_set(int which, int who, int ioprio) 314,289,288
+int ioprio_get(int which, int who) 315,290,289
# other
int uname(struct utsname *) 122
diff --git a/libc/arch-arm/syscalls.mk b/libc/arch-arm/syscalls.mk
index c466166..2d944ca 100644
--- a/libc/arch-arm/syscalls.mk
+++ b/libc/arch-arm/syscalls.mk
@@ -66,6 +66,7 @@
syscall_src += arch-arm/syscalls/fchmod.S
syscall_src += arch-arm/syscalls/dup.S
syscall_src += arch-arm/syscalls/pipe.S
+syscall_src += arch-arm/syscalls/pipe2.S
syscall_src += arch-arm/syscalls/dup2.S
syscall_src += arch-arm/syscalls/select.S
syscall_src += arch-arm/syscalls/ftruncate.S
diff --git a/libc/arch-arm/syscalls/pipe2.S b/libc/arch-arm/syscalls/pipe2.S
new file mode 100644
index 0000000..df77094
--- /dev/null
+++ b/libc/arch-arm/syscalls/pipe2.S
@@ -0,0 +1,19 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+ .text
+ .type pipe2, #function
+ .globl pipe2
+ .align 4
+ .fnstart
+
+pipe2:
+ .save {r4, r7}
+ stmfd sp!, {r4, r7}
+ ldr r7, =__NR_pipe2
+ swi #0
+ ldmfd sp!, {r4, r7}
+ movs r0, r0
+ bxpl lr
+ b __set_syscall_errno
+ .fnend
diff --git a/libc/arch-sh/syscalls.mk b/libc/arch-sh/syscalls.mk
index ddae8d3..b690bbf 100644
--- a/libc/arch-sh/syscalls.mk
+++ b/libc/arch-sh/syscalls.mk
@@ -69,6 +69,7 @@
syscall_src += arch-sh/syscalls/flock.S
syscall_src += arch-sh/syscalls/fchmod.S
syscall_src += arch-sh/syscalls/dup.S
+syscall_src += arch-sh/syscalls/pipe2.S
syscall_src += arch-sh/syscalls/dup2.S
syscall_src += arch-sh/syscalls/select.S
syscall_src += arch-sh/syscalls/ftruncate.S
diff --git a/libc/arch-sh/syscalls/pipe2.S b/libc/arch-sh/syscalls/pipe2.S
new file mode 100644
index 0000000..f6d9964
--- /dev/null
+++ b/libc/arch-sh/syscalls/pipe2.S
@@ -0,0 +1,32 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+ .text
+ .type pipe2, @function
+ .globl pipe2
+ .align 4
+
+pipe2:
+
+ /* invoke trap */
+ mov.l 0f, r3 /* trap num */
+ trapa #(2 + 0x10)
+
+ /* check return value */
+ cmp/pz r0
+ bt __NR_pipe2_end
+
+ /* keep error number */
+ sts.l pr, @-r15
+ mov.l 1f, r1
+ jsr @r1
+ mov r0, r4
+ lds.l @r15+, pr
+
+__NR_pipe2_end:
+ rts
+ nop
+
+ .align 2
+0: .long __NR_pipe2
+1: .long __set_syscall_errno
diff --git a/libc/arch-x86/syscalls.mk b/libc/arch-x86/syscalls.mk
index 6ac3716..27153f9 100644
--- a/libc/arch-x86/syscalls.mk
+++ b/libc/arch-x86/syscalls.mk
@@ -69,6 +69,7 @@
syscall_src += arch-x86/syscalls/fchmod.S
syscall_src += arch-x86/syscalls/dup.S
syscall_src += arch-x86/syscalls/pipe.S
+syscall_src += arch-x86/syscalls/pipe2.S
syscall_src += arch-x86/syscalls/dup2.S
syscall_src += arch-x86/syscalls/select.S
syscall_src += arch-x86/syscalls/ftruncate.S
diff --git a/libc/arch-x86/syscalls/pipe2.S b/libc/arch-x86/syscalls/pipe2.S
new file mode 100644
index 0000000..c3354a7
--- /dev/null
+++ b/libc/arch-x86/syscalls/pipe2.S
@@ -0,0 +1,26 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+ .text
+ .type pipe2, @function
+ .globl pipe2
+ .align 4
+
+pipe2:
+ pushl %ebx
+ pushl %ecx
+ mov 12(%esp), %ebx
+ mov 16(%esp), %ecx
+ movl $__NR_pipe2, %eax
+ int $0x80
+ cmpl $-129, %eax
+ jb 1f
+ negl %eax
+ pushl %eax
+ call __set_errno
+ addl $4, %esp
+ orl $-1, %eax
+1:
+ popl %ecx
+ popl %ebx
+ ret
diff --git a/libc/include/sys/linux-syscalls.h b/libc/include/sys/linux-syscalls.h
index 9e2aa2f..6a7fc40 100644
--- a/libc/include/sys/linux-syscalls.h
+++ b/libc/include/sys/linux-syscalls.h
@@ -138,6 +138,7 @@
#define __NR_openat (__NR_SYSCALL_BASE + 322)
#define __NR_madvise (__NR_SYSCALL_BASE + 220)
#define __NR_mincore (__NR_SYSCALL_BASE + 219)
+#define __NR_pipe2 (__NR_SYSCALL_BASE + 359)
#define __NR_getdents64 (__NR_SYSCALL_BASE + 217)
#define __NR_fstatfs64 (__NR_SYSCALL_BASE + 267)
#define __NR_fstatat64 (__NR_SYSCALL_BASE + 327)
@@ -194,6 +195,7 @@
#define __NR_openat (__NR_SYSCALL_BASE + 295)
#define __NR_madvise (__NR_SYSCALL_BASE + 219)
#define __NR_mincore (__NR_SYSCALL_BASE + 218)
+#define __NR_pipe2 (__NR_SYSCALL_BASE + 331)
#define __NR_getdents64 (__NR_SYSCALL_BASE + 220)
#define __NR_fstatfs64 (__NR_SYSCALL_BASE + 269)
#define __NR_fstatat64 (__NR_SYSCALL_BASE + 300)
@@ -235,6 +237,7 @@
#define __NR_openat (__NR_SYSCALL_BASE + 295)
#define __NR_madvise (__NR_SYSCALL_BASE + 219)
#define __NR_mincore (__NR_SYSCALL_BASE + 218)
+#define __NR_pipe2 (__NR_SYSCALL_BASE + 331)
#define __NR_getdents64 (__NR_SYSCALL_BASE + 220)
#define __NR_fstatfs64 (__NR_SYSCALL_BASE + 269)
#define __NR_fstatat64 (__NR_SYSCALL_BASE + 300)
@@ -270,8 +273,8 @@
#define __NR_socketcall (__NR_SYSCALL_BASE + 102)
#define __NR_socketcall (__NR_SYSCALL_BASE + 102)
#define __NR___socketcall (__NR_SYSCALL_BASE + 102)
-#define __NR_ioprio_set (__NR_SYSCALL_BASE + 289)
-#define __NR_ioprio_get (__NR_SYSCALL_BASE + 290)
+#define __NR_ioprio_set (__NR_SYSCALL_BASE + 288)
+#define __NR_ioprio_get (__NR_SYSCALL_BASE + 289)
#define __NR_epoll_create (__NR_SYSCALL_BASE + 254)
#define __NR_epoll_ctl (__NR_SYSCALL_BASE + 255)
#define __NR_epoll_wait (__NR_SYSCALL_BASE + 256)
diff --git a/libc/include/sys/linux-unistd.h b/libc/include/sys/linux-unistd.h
index 6bd9ac7..7494efe 100644
--- a/libc/include/sys/linux-unistd.h
+++ b/libc/include/sys/linux-unistd.h
@@ -79,6 +79,7 @@
int fchmod (int, mode_t);
int dup (int);
int pipe (int *);
+int pipe2 (int *, int);
int dup2 (int, int);
int select (int, struct fd_set *, struct fd_set *, struct fd_set *, struct timeval *);
int ftruncate (int, off_t);
diff --git a/libc/include/unistd.h b/libc/include/unistd.h
index 7554198..cd09e3d 100644
--- a/libc/include/unistd.h
+++ b/libc/include/unistd.h
@@ -118,6 +118,9 @@
extern int fchdir(int);
extern int rmdir(const char *);
extern int pipe(int *);
+#ifdef _GNU_SOURCE /* GLibc compatibility */
+extern int pipe2(int *, int);
+#endif
extern int chroot(const char *);
extern int symlink(const char *, const char *);
extern int readlink(const char *, char *, size_t);