1 // SPDX-License-Identifier: GPL-2.0 2 #include <fcntl.h> 3 4 #ifndef LOCK_MAND 5 #define LOCK_MAND 32 6 #endif 7 8 #ifndef LOCK_READ 9 #define LOCK_READ 64 10 #endif 11 12 #ifndef LOCK_WRITE 13 #define LOCK_WRITE 128 14 #endif 15 16 #ifndef LOCK_RW 17 #define LOCK_RW 192 18 #endif 19 20 static size_t syscall_arg__scnprintf_flock(char *bf, size_t size, 21 struct syscall_arg *arg) 22 { 23 int printed = 0, op = arg->val; 24 25 if (op == 0) 26 return scnprintf(bf, size, "NONE"); 27 #define P_CMD(cmd) \ 28 if ((op & LOCK_##cmd) == LOCK_##cmd) { \ 29 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #cmd); \ 30 op &= ~LOCK_##cmd; \ 31 } 32 33 P_CMD(SH); 34 P_CMD(EX); 35 P_CMD(NB); 36 P_CMD(UN); 37 P_CMD(MAND); 38 P_CMD(RW); 39 P_CMD(READ); 40 P_CMD(WRITE); 41 #undef P_OP 42 43 if (op) 44 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", op); 45 46 return printed; 47 } 48 49 #define SCA_FLOCK syscall_arg__scnprintf_flock 50