fcntl supoort F_DUPFD(_CLOEXEC) commands (dbd9ad79) · Commits · hpc / gekkofs

ifs/src/preload/intcp_functions.cpp

+14 −1

Original line number	Diff line number	Diff line
		@@ -788,6 +788,19 @@ int fcntl(int fd, int cmd, ...) {
		CTX->log()->trace("{}() called with fd {}", __func__, fd);
		if (CTX->file_map()->exist(fd)) {
		switch(cmd) {
		case F_DUPFD:
		CTX->log()->trace("{}() F_DUPFD on fd {}", __func__, fd);
		return adafs_dup(fd);
		case F_DUPFD_CLOEXEC: {
		CTX->log()->trace("{}() F_DUPFD_CLOEXEC on fd {}", __func__, fd);
		auto ret = adafs_dup(fd);
		if(ret == -1) {
		return ret;
		}
		CTX->file_map()->get(fd)
		->set_flag(OpenFile_flags::cloexec, true);
		return ret;
		}
		case F_GETFD:
		CTX->log()->trace("{}() F_GETFD on fd {}", __func__, fd);
		if(CTX->file_map()->get(fd)
		@@ -800,7 +813,7 @@ int fcntl(int fd, int cmd, ...) {
		va_start (ap, cmd);
		int flags = va_arg (ap, int);
		va_end (ap);
		CTX->log()->trace("{}() [fd: {}, cmd: F_SETFD, FD_CLOEXEC: {}", __func__, fd, (flags & FD_CLOEXEC));
		CTX->log()->trace("{}() [fd: {}, cmd: F_SETFD, FD_CLOEXEC: {}]", __func__, fd, (flags & FD_CLOEXEC));
		CTX->file_map()->get(fd)
		->set_flag(OpenFile_flags::cloexec, (flags & FD_CLOEXEC));
		return 0;