diff options
| -rw-r--r-- | libc/sysdeps/linux/common/syscalls.c | 177 |
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 |