remove __vfork alias

this was added so that posix_spawn and possibly other functionality
could be implemented in terms of vfork, but that turned out to be
unsafe. any such usage needs __clone with proper handling of stack
lifetime.

diff --git a/src/process/arm/vfork.s b/src/process/arm/vfork.s
index ed1f87a..d7ec41b 100644 (file)
--- a/src/process/arm/vfork.s
+++ b/src/process/arm/vfork.s
@@ -1,9 +1,6 @@
 .syntax unified
-.global __vfork
-.weak vfork
-.type __vfork,%function
+.global vfork
 .type vfork,%function
-__vfork:
 vfork:
        mov ip, r7
        mov r7, 190

diff --git a/src/process/i386/vfork.s b/src/process/i386/vfork.s
index a3d76ae..3d0e6d6 100644 (file)
--- a/src/process/i386/vfork.s
+++ b/src/process/i386/vfork.s
@@ -1,8 +1,5 @@
-.global __vfork
-.weak vfork
-.type __vfork,@function
+.global vfork
 .type vfork,@function
-__vfork:
 vfork:
        pop %edx
        mov $190,%eax

diff --git a/src/process/s390x/vfork.s b/src/process/s390x/vfork.s
index 2fb4022..744f9d7 100644 (file)
--- a/src/process/s390x/vfork.s
+++ b/src/process/s390x/vfork.s
@@ -1,8 +1,5 @@
-       .global __vfork
-       .weak vfork
-       .type __vfork,%function
+       .global vfork
        .type vfork,%function
-__vfork:
 vfork:
        svc 190
        .hidden __syscall_ret

diff --git a/src/process/sh/vfork.s b/src/process/sh/vfork.s
index 48cc939..91dbde7 100644 (file)
--- a/src/process/sh/vfork.s
+++ b/src/process/sh/vfork.s
@@ -1,8 +1,5 @@
-.global __vfork
-.weak vfork
-.type __vfork,@function
+.global vfork
 .type vfork,@function
-__vfork:
 vfork:
        mov #95, r3
        add r3, r3

diff --git a/src/process/vfork.c b/src/process/vfork.c
index ac95465..d430c13 100644 (file)
--- a/src/process/vfork.c
+++ b/src/process/vfork.c
@@ -2,9 +2,8 @@
 #include <unistd.h>
 #include <signal.h>
 #include "syscall.h"
-#include "libc.h"
 
-pid_t __vfork(void)
+pid_t vfork(void)
 {
        /* vfork syscall cannot be made from C code */
 #ifdef SYS_fork
@@ -13,5 +12,3 @@ pid_t __vfork(void)
        return syscall(SYS_clone, SIGCHLD, 0);
 #endif
 }
-
-weak_alias(__vfork, vfork);

diff --git a/src/process/x32/vfork.s b/src/process/x32/vfork.s
index 8df0058..0f0ca3e 100644 (file)
--- a/src/process/x32/vfork.s
+++ b/src/process/x32/vfork.s
@@ -1,8 +1,5 @@
-.global __vfork
-.weak vfork
-.type __vfork,@function
+.global vfork
 .type vfork,@function
-__vfork:
 vfork:
        pop %rdx
        mov $0x4000003a,%eax /* SYS_vfork */

diff --git a/src/process/x86_64/vfork.s b/src/process/x86_64/vfork.s
index 2cad805..9114439 100644 (file)
--- a/src/process/x86_64/vfork.s
+++ b/src/process/x86_64/vfork.s
@@ -1,8 +1,5 @@
-.global __vfork
-.weak vfork
-.type __vfork,@function
+.global vfork
 .type vfork,@function
-__vfork:
 vfork:
        pop %rdx
        mov $58,%eax