ex.type = F_OWNER_TID; ex.pid = tid; fcntl(fd, F_SETFL, O_ASYNC); fcntl(fd, F_SETSIG, SIGPROF); fcntl(fd, F_SETOWN_EX, &ex); int err; if (fcntl(fd, F_SETFL, O_ASYNC) < 0 || fcntl(fd, F_SETSIG, SIGPROF) < 0 || fcntl(fd, F_SETOWN_EX, &ex) < 0) { err ...
F_SETOWN, F_GETOWN_EX, F_SETOWN_EX, F_GETSIG and F_SETSIG are used to manage I/O avail...
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