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Add eventfd system call support

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This commit is contained in:
Keith Deacon 2010-08-31 16:16:01 -05:00
parent a172709259
commit 3a1bbee36b
6 changed files with 40 additions and 0 deletions
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2
libc/SYSCALLS.TXT
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@ -262,3 +262,5 @@ int poll(struct pollfd *, unsigned int, long) 168
# ARM-specific ARM_NR_BASE == 0x0f0000 == 983040 # ARM-specific ARM_NR_BASE == 0x0f0000 == 983040
int __set_tls:ARM_set_tls(void*) 983045,-1 int __set_tls:ARM_set_tls(void*) 983045,-1
int cacheflush:ARM_cacheflush(long start, long end, long flags) 983042,-1 int cacheflush:ARM_cacheflush(long start, long end, long flags) 983042,-1
int eventfd(int count, int flags) 351,323

1
libc/arch-arm/syscalls.mk
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@ -171,3 +171,4 @@ syscall_src += arch-arm/syscalls/inotify_rm_watch.S
syscall_src += arch-arm/syscalls/poll.S syscall_src += arch-arm/syscalls/poll.S
syscall_src += arch-arm/syscalls/__set_tls.S syscall_src += arch-arm/syscalls/__set_tls.S
syscall_src += arch-arm/syscalls/cacheflush.S syscall_src += arch-arm/syscalls/cacheflush.S
syscall_src += arch-arm/syscalls/eventfd.S

19
libc/arch-arm/syscalls/eventfd.S Normal file
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@ -0,0 +1,19 @@
/* autogenerated by gensyscalls.py */
#include <sys/linux-syscalls.h>
.text
.type eventfd, #function
.globl eventfd
.align 4
.fnstart
eventfd:
.save {r4, r7}
stmfd sp!, {r4, r7}
ldr r7, =__NR_eventfd
swi #0
ldmfd sp!, {r4, r7}
movs r0, r0
bxpl lr
b __set_syscall_errno
.fnend

14
libc/include/sys/eventfd.h Normal file
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@ -0,0 +1,14 @@
#ifndef _SYS_EVENTFD_H_
#define _SYS_EVENTFD_H_
#include <sys/cdefs.h>
#include <asm/unistd.h>
#include <asm/termbits.h>
__BEGIN_DECLS
extern int eventfd(int count, int flags);
__END_DECLS
#endif /* _SYS_EVENTFD_H_ */

3
libc/include/sys/linux-syscalls.h
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@ -181,6 +181,7 @@
#define __NR_inotify_rm_watch (__NR_SYSCALL_BASE + 318) #define __NR_inotify_rm_watch (__NR_SYSCALL_BASE + 318)
#define __NR_ARM_set_tls (__NR_SYSCALL_BASE + 983045) #define __NR_ARM_set_tls (__NR_SYSCALL_BASE + 983045)
#define __NR_ARM_cacheflush (__NR_SYSCALL_BASE + 983042) #define __NR_ARM_cacheflush (__NR_SYSCALL_BASE + 983042)
#define __NR_eventfd (__NR_SYSCALL_BASE + 351)
#endif #endif
#ifdef __i386__ #ifdef __i386__
@ -222,6 +223,7 @@
#define __NR_inotify_init (__NR_SYSCALL_BASE + 291) #define __NR_inotify_init (__NR_SYSCALL_BASE + 291)
#define __NR_inotify_add_watch (__NR_SYSCALL_BASE + 292) #define __NR_inotify_add_watch (__NR_SYSCALL_BASE + 292)
#define __NR_inotify_rm_watch (__NR_SYSCALL_BASE + 293) #define __NR_inotify_rm_watch (__NR_SYSCALL_BASE + 293)
#define __NR_eventfd (__NR_SYSCALL_BASE + 323)
#endif #endif
#if defined(__SH3__) || defined(__SH4__) #if defined(__SH3__) || defined(__SH4__)
@ -279,6 +281,7 @@
#define __NR_inotify_init (__NR_SYSCALL_BASE + 290) #define __NR_inotify_init (__NR_SYSCALL_BASE + 290)
#define __NR_inotify_add_watch (__NR_SYSCALL_BASE + 291) #define __NR_inotify_add_watch (__NR_SYSCALL_BASE + 291)
#define __NR_inotify_rm_watch (__NR_SYSCALL_BASE + 292) #define __NR_inotify_rm_watch (__NR_SYSCALL_BASE + 292)
#define __NR_eventfd (__NR_SYSCALL_BASE + 323)
#endif #endif
#endif #endif

1
libc/include/sys/linux-unistd.h
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@ -202,6 +202,7 @@ int inotify_rm_watch (int, unsigned int);
int poll (struct pollfd *, unsigned int, long); int poll (struct pollfd *, unsigned int, long);
int __set_tls (void*); int __set_tls (void*);
int cacheflush (long start, long end, long flags); int cacheflush (long start, long end, long flags);
int eventfd (int count, int flags);
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif