| 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. |
| ENFILE |
| The system file table is full. |
| EFAULT |
| filedes is not valid. |
| SVr4, SVID, AT&T, POSIX, X/OPEN, BSD 4.3 |
| read(2), write(2), fork(2), socketpair(2) |