1 // SPDX-License-Identifier: LGPL-2.1 2 #include <sys/types.h> 3 #include <sys/socket.h> 4 5 #ifndef MSG_PROBE 6 #define MSG_PROBE 0x10 7 #endif 8 #ifndef MSG_WAITFORONE 9 #define MSG_WAITFORONE 0x10000 10 #endif 11 #ifndef MSG_BATCH 12 #define MSG_BATCH 0x40000 13 #endif 14 #ifndef MSG_ZEROCOPY 15 #define MSG_ZEROCOPY 0x4000000 16 #endif 17 #ifndef MSG_SPLICE_PAGES 18 #define MSG_SPLICE_PAGES 0x8000000 19 #endif 20 #ifndef MSG_FASTOPEN 21 #define MSG_FASTOPEN 0x20000000 22 #endif 23 #ifndef MSG_CMSG_CLOEXEC 24 # define MSG_CMSG_CLOEXEC 0x40000000 25 #endif 26 27 static size_t syscall_arg__scnprintf_msg_flags(char *bf, size_t size, 28 struct syscall_arg *arg) 29 { 30 bool show_prefix = arg->show_string_prefix; 31 const char *prefix = "MSG_"; 32 int printed = 0, flags = arg->val; 33 34 if (flags == 0) 35 return scnprintf(bf, size, "NONE"); 36 #define P_MSG_FLAG(n) \ 37 if (flags & MSG_##n) { \ 38 printed += scnprintf(bf + printed, size - printed, "%s%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \ 39 flags &= ~MSG_##n; \ 40 } 41 42 P_MSG_FLAG(OOB); 43 P_MSG_FLAG(PEEK); 44 P_MSG_FLAG(DONTROUTE); 45 P_MSG_FLAG(CTRUNC); 46 P_MSG_FLAG(PROBE); 47 P_MSG_FLAG(TRUNC); 48 P_MSG_FLAG(DONTWAIT); 49 P_MSG_FLAG(EOR); 50 P_MSG_FLAG(WAITALL); 51 P_MSG_FLAG(FIN); 52 P_MSG_FLAG(SYN); 53 P_MSG_FLAG(CONFIRM); 54 P_MSG_FLAG(RST); 55 P_MSG_FLAG(ERRQUEUE); 56 P_MSG_FLAG(NOSIGNAL); 57 P_MSG_FLAG(MORE); 58 P_MSG_FLAG(WAITFORONE); 59 P_MSG_FLAG(BATCH); 60 P_MSG_FLAG(ZEROCOPY); 61 P_MSG_FLAG(SPLICE_PAGES); 62 P_MSG_FLAG(FASTOPEN); 63 P_MSG_FLAG(CMSG_CLOEXEC); 64 #undef P_MSG_FLAG 65 66 if (flags) 67 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); 68 69 return printed; 70 } 71 72 #define SCA_MSG_FLAGS syscall_arg__scnprintf_msg_flags 73