4f294c247f
This patch mainly copies and modifies files existing in the current libc implementing minix specific functions. To keep consisten with the NetBSD libc, we remove namespace stubs and we use "namespace.h" and weak links.
22 lines
536 B
C
22 lines
536 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 <unistd.h>
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#ifdef __weak_alias
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__weak_alias(getppid, _getppid)
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#endif
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PUBLIC pid_t getppid()
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{
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message 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 reserved value
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* (pid_t) -1 when there is an error.
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*/
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if (_syscall(PM_PROC_NR, MINIX_GETPID, &m) < 0) return ( (pid_t) -1);
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return( (pid_t) m.m2_i1);
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}
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