64 #define	CHECK_RESULT(syscall, rights_needed, succeeded)	do {		\  macro
141 	CHECK_RESULT(read, CAP_READ, ssize >= 0);  in try_file_ops()
144 	CHECK_RESULT(write, CAP_WRITE, ssize >= 0);  in try_file_ops()
147 	CHECK_RESULT(lseek, CAP_SEEK, off >= 0);  in try_file_ops()
151 	CHECK_RESULT(pread, CAP_PREAD, ssize >= 0);  in try_file_ops()
155 	CHECK_RESULT(pwrite, CAP_PWRITE, ssize >= 0);  in try_file_ops()
186 	CHECK_RESULT(openat(O_CREATE | O_RDONLY),  in try_file_ops()
192 	CHECK_RESULT(openat(O_CREATE | O_WRONLY | O_APPEND),  in try_file_ops()
197 	CHECK_RESULT(openat(O_CREATE | O_RDWR | O_APPEND),  in try_file_ops()
203 	CHECK_RESULT(fsync, CAP_FSYNC, ret == 0);  in try_file_ops()
209 	CHECK_RESULT(openat(O_FSYNC | O_RDONLY),  in try_file_ops()
213 	CHECK_RESULT(openat(O_FSYNC | O_WRONLY | O_APPEND),  in try_file_ops()
217 	CHECK_RESULT(openat(O_FSYNC | O_RDWR | O_APPEND),  in try_file_ops()
221 	CHECK_RESULT(openat(O_SYNC | O_RDONLY),  in try_file_ops()
225 	CHECK_RESULT(openat(O_SYNC | O_WRONLY | O_APPEND),  in try_file_ops()
229 	CHECK_RESULT(openat(O_SYNC | O_RDWR | O_APPEND),  in try_file_ops()
235 	CHECK_RESULT(ftruncate, CAP_FTRUNCATE, ret == 0);  in try_file_ops()
241 	CHECK_RESULT(openat(O_TRUNC | O_RDONLY),  in try_file_ops()
245 	CHECK_RESULT(openat(O_TRUNC | O_WRONLY),  in try_file_ops()
249 	CHECK_RESULT(openat(O_TRUNC | O_RDWR),  in try_file_ops()
255 	CHECK_RESULT(openat(O_CREATE | O_WRONLY),  in try_file_ops()
260 	CHECK_RESULT(openat(O_CREATE | O_RDWR),  in try_file_ops()
270 	CHECK_RESULT(openat(O_FSYNC | O_WRONLY),  in try_file_ops()
274 	CHECK_RESULT(openat(O_FSYNC | O_RDWR),  in try_file_ops()
278 	CHECK_RESULT(openat(O_SYNC | O_WRONLY),  in try_file_ops()
282 	CHECK_RESULT(openat(O_SYNC | O_RDWR),  in try_file_ops()
291 	CHECK_RESULT(fchflags, CAP_FCHFLAGS,  in try_file_ops()
298 	CHECK_RESULT(chflagsat, CAP_CHFLAGSAT | CAP_LOOKUP, ret == 0);  in try_file_ops()
302 	CHECK_RESULT(fchown, CAP_FCHOWN, ret == 0);  in try_file_ops()
308 	CHECK_RESULT(fchownat, CAP_FCHOWN | CAP_LOOKUP, ret == 0);  in try_file_ops()
312 	CHECK_RESULT(fchmod, CAP_FCHMOD, ret == 0);  in try_file_ops()
318 	CHECK_RESULT(fchmodat, CAP_FCHMOD | CAP_LOOKUP, ret == 0);  in try_file_ops()
322 	CHECK_RESULT(fcntl(F_GETFL), CAP_FCNTL, ret >= 0);  in try_file_ops()
324 	CHECK_RESULT(fcntl(F_SETFL), CAP_FCNTL, ret == 0);  in try_file_ops()
329 	CHECK_RESULT(fstat, CAP_FSTAT, ret == 0);  in try_file_ops()
335 	CHECK_RESULT(fstatat, CAP_FSTAT | CAP_LOOKUP, ret == 0);  in try_file_ops()
339 	CHECK_RESULT(fstatfs, CAP_FSTATFS, ret == 0);  in try_file_ops()
342 	CHECK_RESULT(fpathconf, CAP_FPATHCONF, ret >= 0);  in try_file_ops()
345 	CHECK_RESULT(futimes, CAP_FUTIMES, ret == 0);  in try_file_ops()
351 	CHECK_RESULT(futimesat, CAP_FUTIMES | CAP_LOOKUP, ret == 0);  in try_file_ops()
358 	CHECK_RESULT(linkat, CAP_LINKAT | CAP_LOOKUP, ret == 0);  in try_file_ops()
363 	CHECK_RESULT(mkdirat, CAP_MKDIRAT | CAP_LOOKUP, ret == 0);  in try_file_ops()
367 	CHECK_RESULT(mkfifoat, CAP_MKFIFOAT | CAP_LOOKUP, ret == 0);  in try_file_ops()
371 	CHECK_RESULT(mknodat, CAP_MKNODAT | CAP_LOOKUP, ret == 0);  in try_file_ops()
377 	CHECK_RESULT(symlinkat, CAP_SYMLINKAT | CAP_LOOKUP, ret == 0);  in try_file_ops()
384 	CHECK_RESULT(unlinkat, CAP_UNLINKAT | CAP_LOOKUP, ret == 0);  in try_file_ops()
389 	CHECK_RESULT(unlinkat, CAP_UNLINKAT | CAP_LOOKUP, ret == 0);  in try_file_ops()