24ec0d73b5
- introduce new call numbers, names, and field aliases; - initialize request messages to zero for all ABI calls; - format callnr.h in the same way as com.h; - redo call tables in both servers; - remove param.h namespace pollution in the servers; - make brk(2) go to VM directly, rather than through PM; - remove obsolete BRK, UTIME, and WAIT calls; - clean up path copying routine in VFS; - move remaining system calls from libminlib to libc; - correct some errno-related mistakes in libc routines. Change-Id: I2d8ec5d061cd7e0b30c51ffd77aa72ebf84e2565
25 lines
589 B
C
25 lines
589 B
C
#include <sys/cdefs.h>
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#include "namespace.h"
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#include <lib.h>
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#include <string.h>
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#include <unistd.h>
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#ifdef __weak_alias
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__weak_alias(geteuid, _geteuid)
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#endif
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uid_t geteuid(void)
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{
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message m;
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memset(&m, 0, sizeof(m));
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/* POSIX says that this function is always successful and that no
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* return value is reserved to indicate an error. Minix syscalls
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* are not always successful and Minix returns the unreserved value
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* (uid_t) -1 when there is an error.
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*/
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if (_syscall(PM_PROC_NR, PM_GETUID, &m) < 0) return ( (uid_t) -1);
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return( (uid_t) m.PM_GETUID_EUID);
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}
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