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add process_vm_readv and process_vm_writev syscall wrappers

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based on a patch submitted by Kristian L. <email@thexception.net>
This commit is contained in:
Rich Felker
2012-06-23 21:38:47 -04:00
parent 213db3e3fa
commit 9cf9c39e48
2 changed files with 22 additions and 0 deletions
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9
include/sys/uio.h
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@ -9,11 +9,20 @@ extern "C" {
#define __NEED_ssize_t #define __NEED_ssize_t
#define __NEED_struct_iovec #define __NEED_struct_iovec
#ifdef _GNU_SOURCE
#define __NEED_pid_t
#endif
#include <bits/alltypes.h> #include <bits/alltypes.h>
ssize_t readv (int, const struct iovec *, int); ssize_t readv (int, const struct iovec *, int);
ssize_t writev (int, const struct iovec *, int); ssize_t writev (int, const struct iovec *, int);
#ifdef _GNU_SOURCE
ssize_t process_vm_writev(pid_t, const struct iovec *, unsigned long, const struct iovec *, unsigned long, unsigned long);
ssize_t process_vm_readv(pid_t, const struct iovec *, unsigned long, const struct iovec *, unsigned long, unsigned long);
#endif
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif

13
src/linux/process_vm.c Normal file
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@ -0,0 +1,13 @@
#define _GNU_SOURCE
#include <sys/uio.h>
#include "syscall.h"
ssize_t process_vm_writev(pid_t pid, const struct iovec *lvec, unsigned long liovcnt, const struct iovec *rvec, unsigned long riovcnt, unsigned long flags)
{
return syscall(SYS_process_vm_writev, pid, lvec, liovcnt, rvec, riovcnt, flags);
}
ssize_t process_vm_readv(pid_t pid, const struct iovec *lvec, unsigned long liovcnt, const struct iovec *rvec, unsigned long riovcnt, unsigned long flags)
{
return syscall(SYS_process_vm_readv, pid, lvec, liovcnt, rvec, riovcnt, flags);
}