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d355298
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master
uproctrace
liblwptpl
src
write.h
first incomplete begin_proc event
Stefan Schuermans
commited
d355298
at 2020-05-17 10:22:00
write.h
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#ifndef LWPTPL_WRITE_H #define LWPTPL_WRITE_H #include "write.h" #include <fcntl.h> #include <stdlib.h> #include <string.h> #include <sys/file.h> #include <unistd.h> void lwptpl_write(void const *data, size_t size) { if (! data || ! size) { return; } char const *filename = getenv("LWPTPL_OUTPUT"); if (! filename) { return; } int fd = open(filename, O_WRONLY | O_APPEND); if (fd == -1) { return; } if (flock(fd, LOCK_EX) == -1) { close(fd); return; } write(fd, data, size); flock(fd, LOCK_UN); close(fd); } #endif /* #ifndef LWPTPL_WRITE_H */
