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Diffstat (limited to 'libc/sysdeps/linux/common/syscalls.c')
-rw-r--r--libc/sysdeps/linux/common/syscalls.c177
1 files changed, 173 insertions, 4 deletions
diff --git a/libc/sysdeps/linux/common/syscalls.c b/libc/sysdeps/linux/common/syscalls.c
index 389ce9e1d..b3498f406 100644
--- a/libc/sysdeps/linux/common/syscalls.c
+++ b/libc/sysdeps/linux/common/syscalls.c
@@ -93,7 +93,15 @@ weak_alias(__libc_close, close)
//#define __NR_creat 8
#ifdef L_creat
#include <fcntl.h>
+#ifdef __NR_creat
_syscall2(int, creat, const char *, file, mode_t, mode);
+#else
+extern int __libc_open (const char *file, int flags, mode_t mode);
+int creat (const char *file, mode_t mode)
+{
+ return __libc_open (file, O_WRONLY|O_CREAT|O_TRUNC, mode);
+}
+#endif
#endif
//#define __NR_link 9
@@ -124,7 +132,21 @@ _syscall1(int, chdir, const char *, path);
//#define __NR_time 13
#ifdef L_time
#include <time.h>
+#include <sys/time.h>
+#ifdef __NR_time
_syscall1(time_t, time, time_t *, t);
+#else
+time_t time (time_t *t)
+{
+ time_t result;
+ struct timeval tv;
+ if (gettimeofday (&tv, (struct timezone *) NULL)) {
+ result = (time_t) -1;
+ } else { result = (time_t) tv.tv_sec; }
+ if (t != NULL) { *t = result; }
+ return result;
+}
+#endif
#endif
//#define __NR_mknod 14
@@ -181,6 +203,9 @@ weak_alias(__libc_lseek, lseek)
//#define __NR_getpid 20
#ifdef L___libc_getpid
#include <unistd.h>
+#if defined (__alpha__)
+#define __NR_getpid __NR_getxpid
+#endif
#define __NR___libc_getpid __NR_getpid
_syscall0(pid_t, __libc_getpid);
weak_alias(__libc_getpid, getpid)
@@ -220,13 +245,28 @@ int setuid(uid_t uid)
//#define __NR_getuid 24
#ifdef L_getuid
#include <unistd.h>
+#if defined (__alpha__)
+#define __NR_getuid __NR_getxuid
+#endif
_syscall0(uid_t, getuid);
#endif
//#define __NR_stime 25
#ifdef L_stime
#include <time.h>
+#include <sys/time.h>
+#ifdef _NR_stime
_syscall1(int, stime, const time_t *, t);
+#else
+int stime(const time_t *when)
+{
+ struct timeval tv;
+ if (when == NULL) { __set_errno (EINVAL); return -1; }
+ tv.tv_sec = *when;
+ tv.tv_usec = 0;
+ return settimeofday (&tv, (struct timezone *) 0);
+}
+#endif
#endif
//#define __NR_ptrace 26
@@ -241,7 +281,24 @@ _syscall4(long, __ptrace, enum __ptrace_request, request, pid_t, pid,
//#define __NR_alarm 27
#ifdef L_alarm
#include <unistd.h>
+#ifdef __NR_alarm
_syscall1(unsigned int, alarm, unsigned int, seconds);
+#else
+#include <sys/time.h>
+unsigned int alarm (unsigned int seconds)
+{
+ struct itimerval old, new;
+ unsigned int retval;
+ new.it_value.tv_usec = 0;
+ new.it_interval.tv_sec = 0;
+ new.it_interval.tv_usec = 0;
+ new.it_value.tv_sec = (long int) seconds;
+ if (setitimer (ITIMER_REAL, &new, &old) < 0) { return 0; }
+ retval = old.it_value.tv_sec;
+ if (old.it_value.tv_usec) { ++retval; }
+ return retval;
+}
+#endif
#endif
//#define __NR_oldfstat 28
@@ -249,15 +306,61 @@ _syscall1(unsigned int, alarm, unsigned int, seconds);
//#define __NR_pause 29
#ifdef L___libc_pause
#include <unistd.h>
+#ifdef __NR_pause
#define __NR___libc_pause __NR_pause
_syscall0(int, __libc_pause);
+#else
+#include <signal.h>
+int __libc_pause (void)
+{
+ return(__sigpause(sigblock(0), 0));
+}
+#endif
weak_alias(__libc_pause, pause)
#endif
//#define __NR_utime 30
#ifdef L_utime
#include <utime.h>
-_syscall2(int, utime, const char *, filename, const struct utimbuf *, buf);
+#ifdef __NR_utime
+_syscall2(int, utime, const char *, file, const struct utimbuf *, times);
+#else
+#include <stdlib.h>
+#include <sys/time.h>
+int utime(const char *file, const struct utimbuf *times)
+{
+ struct timeval timevals[2];
+ if (times != NULL) {
+ timevals[0].tv_usec = 0L;
+ timevals[1].tv_usec = 0L;
+ timevals[0].tv_sec = (long int) times->actime;
+ timevals[1].tv_sec = (long int) times->modtime;
+ } else {
+ if (gettimeofday (&timevals[0], NULL) < 0) { return -1; }
+ timevals[1] = timevals[0];
+ }
+ return utimes(file, timevals);
+}
+#endif
+#endif
+
+//#define __NR_utimed
+#ifdef L_utimes
+#include <utime.h>
+#ifdef __NR_utimes
+_syscall2(int, utimes, const char *, file, const struct timeval *, tvp);
+#else
+int utimes (const char *file, const struct timeval tvp[2])
+{
+ struct utimbuf buf, *times;
+ if (tvp) {
+ times = &buf;
+ times->actime = tvp[0].tv_sec;
+ times->modtime = tvp[1].tv_sec;
+ } else { times = NULL; }
+ return utime(file, times);
+}
+#endif
#endif
//#define __NR_stty 31
@@ -289,7 +392,24 @@ _syscall2(int, access, const char *, pathname, int, mode);
//#define __NR_nice 34
#ifdef L_nice
#include <unistd.h>
+#ifdef __NR_nice
_syscall1(int, nice, int, inc);
+#else
+#include <sys/resource.h>
+int nice (int incr)
+{
+ int save, prio, result;
+ save = errno;
+ __set_errno (0);
+ prio = getpriority (PRIO_PROCESS, 0);
+ if (prio == -1) {
+ if (errno != 0) { return -1; }
+ else { __set_errno (save); }
+ }
+ result = setpriority (PRIO_PROCESS, 0, prio + incr);
+ if (result != -1) { return prio + incr; } else { return -1; }
+}
+#endif
#endif
//#define __NR_ftime 35
@@ -356,6 +476,9 @@ _syscall1(int, setgid, gid_t, gid);
//#define __NR_getgid 47
#ifdef L_getgid
#include <unistd.h>
+#if defined (__alpha__)
+#define __NR_getgid __NR_getxgid
+#endif
_syscall0(gid_t, getgid);
#endif
@@ -363,8 +486,8 @@ _syscall0(gid_t, getgid);
//#define __NR_geteuid 49
#ifdef L_geteuid
+#include <unistd.h>
# ifdef __NR_geteuid
-# include <unistd.h>
_syscall0(uid_t, geteuid);
# else
uid_t geteuid(void)
@@ -376,8 +499,8 @@ _syscall0(gid_t, getgid);
//#define __NR_getegid 50
#ifdef L_getegid
+#include <unistd.h>
# ifdef __NR_getegid
-# include <unistd.h>
_syscall0(gid_t, getegid);
# else
gid_t getegid(void)
@@ -797,8 +920,10 @@ _syscall2(int, fstatfs, int, fd, struct statfs *, buf);
//#define __NR_socketcall 102
#ifdef L_socketcall
+#ifdef __NR_socketcall
_syscall2(int, socketcall, int, call, unsigned long *, args);
#endif
+#endif
//#define __NR_syslog 103
#ifdef L__syslog
@@ -949,9 +1074,11 @@ _syscall1(int, sysinfo, struct sysinfo *, info);
//#define __NR_ipc 117
#ifdef L___ipc
+#ifdef __NR_ipc
#define __NR___ipc __NR_ipc
_syscall5(int, __ipc, unsigned int, call, int, first, int, second, int, third, void *, ptr);
#endif
+#endif
//#define __NR_fsync 118
#ifdef L___libc_fsync
@@ -1085,6 +1212,7 @@ _syscall1(int, setfsgid, gid_t, gid);
//#define __NR__llseek 140
#ifdef L__llseek
#ifdef __UCLIBC_HAVE_LFS__
+#ifdef _NR_llseek
extern int _llseek(int fd, __off_t offset_hi, __off_t offset_lo,
__loff_t *result, int whence);
@@ -1103,6 +1231,11 @@ __loff_t __libc_lseek64(int fd, __loff_t offset, int whence)
}
weak_alias(__libc_lseek64, llseek);
weak_alias(__libc_lseek64, lseek64);
+#else
+extern __off_t __libc_lseek(int fildes, __off_t offset, int whence);
+weak_alias(__libc_lseek, llseek);
+weak_alias(__libc_lseek, lseek64);
+#endif
#endif
#endif
@@ -1114,13 +1247,20 @@ _syscall3(int, getdents, int, fd, char *, dirp, size_t, count);
#endif
//#define __NR__newselect 142
-#ifdef L__newselect
+#if defined L__newselect || defined L_select
#include <unistd.h>
+#ifdef _NR__newselect
extern int _newselect(int n, fd_set *readfds, fd_set *writefds,
fd_set *exceptfds, struct timeval *timeout);
_syscall5(int, _newselect, int, n, fd_set *, readfds, fd_set *, writefds,
fd_set *, exceptfds, struct timeval *, timeout);
weak_alias(_newselect, select);
+#else
+extern int select(int n, fd_set *readfds, fd_set *writefds,
+ fd_set *exceptfds, struct timeval *timeout);
+_syscall5(int, select, int, n, fd_set *, readfds, fd_set *, writefds,
+ fd_set *, exceptfds, struct timeval *, timeout);
+#endif
#endif
//#define __NR_flock 143
@@ -1494,6 +1634,7 @@ int getrlimit (__rlimit_resource_t resource, struct rlimit *rlimits)
#ifdef L___stat64
#ifdef __UCLIBC_HAVE_LFS__
#include <unistd.h>
+#ifdef __NR_stat64
#include "statfix64.h"
#define __NR___stat64 __NR_stat64
extern int __stat64(const char *file_name, struct kernel_stat64 *buf);
@@ -1514,6 +1655,13 @@ int stat64(const char *file_name, struct libc_stat64 *buf)
{
return(__xstat64(0, file_name, buf));
}
+#else
+struct stat;
+extern int stat(const char *file_name, struct stat *buf);
+extern int __xstat(int version, const char * file_name, struct stat *cstat);
+weak_alias(stat, stat64);
+weak_alias(__xstat, __xstat64);
+#endif
#endif /* __UCLIBC_HAVE_LFS__ */
#endif
@@ -1521,6 +1669,7 @@ int stat64(const char *file_name, struct libc_stat64 *buf)
#ifdef L___lstat64
#ifdef __UCLIBC_HAVE_LFS__
#include <unistd.h>
+#ifdef __NR_lstat64
#include "statfix64.h"
#define __NR___lstat64 __NR_lstat64
extern int __lstat64(const char *file_name, struct kernel_stat64 *buf);
@@ -1541,6 +1690,13 @@ int lstat64(const char *file_name, struct libc_stat64 *buf)
{
return(__lxstat64(0, file_name, buf));
}
+#else
+struct stat;
+extern int lstat(const char *file_name, struct stat *buf);
+extern int __lxstat(int version, const char * file_name, struct stat * cstat);
+weak_alias(lstat, lstat64);
+weak_alias(__lxstat, __lxstat64);
+#endif
#endif /* __UCLIBC_HAVE_LFS__ */
#endif
@@ -1548,6 +1704,7 @@ int lstat64(const char *file_name, struct libc_stat64 *buf)
#ifdef L___fstat64
#ifdef __UCLIBC_HAVE_LFS__
#include <unistd.h>
+#ifdef __NR_fstat64
#include "statfix64.h"
#define __NR___fstat64 __NR_fstat64
extern int __fstat64(int filedes, struct kernel_stat64 *buf);
@@ -1568,6 +1725,13 @@ int fstat64(int filedes, struct libc_stat64 *buf)
{
return(__fxstat64(0, filedes, buf));
}
+#else
+struct stat;
+extern int fstat(int filedes, struct stat *buf);
+extern int __fxstat(int version, int fd, struct stat * cstat);
+weak_alias(fstat, fstat64);
+weak_alias(__fxstat, __fxstat64);
+#endif
#endif /* __UCLIBC_HAVE_LFS__ */
#endif
@@ -1614,6 +1778,7 @@ _syscall3(int, getdents64, int, fd, char *, dirp, size_t, count);
//#define __NR_fcntl64 221
#ifdef L__fcntl64
#ifdef __UCLIBC_HAVE_LFS__
+#ifdef __NR_fcntl64
#define __NR__fcntl64 __NR_fcntl64
#include <stdarg.h>
#include <fcntl.h>
@@ -1632,6 +1797,10 @@ int fcntl64(int fd, int command, ...)
va_end(list);
return _fcntl64(fd, command, arg);
}
+#else
+extern int __libc_fcntl(int fd, int command, ...);
+weak_alias(__libc_fcntl, fcntl64)
+#endif
#endif
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 23:40:04 +0000