Developer's Daily | Unix by Example |
main | java | perl | unix | dev directory | web log |
pipe ? create pipe |
#include <unistd.h> int pipe(int filedes[2]); |
pipe creates a pair of file descriptors, pointing to a pipe inode, and places them in the array pointed to by filedes. filedes[0] is for reading, filedes[1] is for writing. |
On success, zero is returned. On error, ?1 is returned, and errno is set appropriately. |
EMFILE |
Too many file descriptors are in use by the process. |
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ENFILE |
The system file table is full. |
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EFAULT |
filedes is not valid. |
SVr4, SVID, AT&T, POSIX, X/OPEN, BSD 4.3 |
read(2), write(2), fork(2), socketpair(2) |