48f20655ac
- new call names, message field aliases, call tables; - initialize all ABI request messages to zero; - format callnr.h in the same way as com.h; - remove param.h namespace pollution in servers; - make brk(2) go to VM directly, rather than through PM; - remove obsolete WAIT and BRK calls from PM; - remove obsolete UTIME call from VFS; - clean up path copying routine in VFS; - move system calls from libminlib to libc; - correct some errno-related mistakes in libc routines; Change-Id: I2d8ec5d061cd7e0b30c51ffd77aa72ebf84e2565
32 lines
472 B
C
32 lines
472 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(pipe, _pipe)
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__weak_alias(pipe2, _pipe2)
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#endif
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int
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pipe2(int fild[2], int flags)
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{
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message m;
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memset(&m, 0, sizeof(m));
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m.VFS_PIPE2_FLAGS = flags;
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if (_syscall(VFS_PROC_NR, VFS_PIPE2, &m) < 0) return(-1);
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fild[0] = m.VFS_PIPE2_FD0;
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fild[1] = m.VFS_PIPE2_FD1;
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return(0);
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}
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int
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pipe(int fild[2])
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{
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return pipe2(fild, 0);
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}
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