'Memory mapped file' presentation slideshows

Memory Mapped I/O

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FILE LOCK

#include <stdio.h> #include <stdlib.h> #include <errno.h> #include <fcntl.h> #include <unistd.h> int main(int argc, char *argv[]) { /* l_type l_whence l_start l_len l_pid */ struct flock fl = { F_WRLCK, SEEK_SET, 0, 0, 0 }; int fd; fl.l_pid = getpid();

280 views • 9 slides