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.
28 lines
584 B
C
28 lines
584 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 <sys/ptrace.h>
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#ifdef __weak_alias
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__weak_alias(ptrace, _ptrace)
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#endif
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long ptrace(int req, pid_t pid, long addr, long data)
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{
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message m;
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m.m2_i1 = pid;
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m.m2_i2 = req;
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m.PMTRACE_ADDR = addr;
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m.m2_l2 = data;
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if (_syscall(PM_PROC_NR, PTRACE, &m) < 0) return(-1);
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/* There was no error, but -1 is a legal return value. Clear errno if
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* necessary to distinguish this case. _syscall has set errno to nonzero
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* for the error case.
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*/
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if (m.m2_l2 == -1) errno = 0;
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return(m.m2_l2);
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}
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