Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Arnaldo Carvalho de Melo | 551 | 100.00% | 23 | 100.00% |
Total | 551 | 23 |
// SPDX-License-Identifier: LGPL-2.1 /* * trace/beauty/fcntl.c * * Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> */ #include "trace/beauty/beauty.h" #include <linux/kernel.h> #include <linux/fcntl.h> static size_t fcntl__scnprintf_getfd(unsigned long val, char *bf, size_t size, bool show_prefix) { return val ? scnprintf(bf, size, "%s", "0") : scnprintf(bf, size, "%s%s", show_prefix ? "FD_" : "", "CLOEXEC"); } static size_t syscall_arg__scnprintf_fcntl_getfd(char *bf, size_t size, struct syscall_arg *arg) { return fcntl__scnprintf_getfd(arg->val, bf, size, arg->show_string_prefix); } static size_t fcntl__scnprintf_getlease(unsigned long val, char *bf, size_t size, bool show_prefix) { static const char *fcntl_setlease[] = { "RDLCK", "WRLCK", "UNLCK", }; static DEFINE_STRARRAY(fcntl_setlease, "F_"); return strarray__scnprintf(&strarray__fcntl_setlease, bf, size, "%x", show_prefix, val); } static size_t syscall_arg__scnprintf_fcntl_getlease(char *bf, size_t size, struct syscall_arg *arg) { return fcntl__scnprintf_getlease(arg->val, bf, size, arg->show_string_prefix); } size_t syscall_arg__scnprintf_fcntl_cmd(char *bf, size_t size, struct syscall_arg *arg) { if (arg->val == F_GETFL) { syscall_arg__set_ret_scnprintf(arg, syscall_arg__scnprintf_open_flags); goto mask_arg; } if (arg->val == F_GETFD) { syscall_arg__set_ret_scnprintf(arg, syscall_arg__scnprintf_fcntl_getfd); goto mask_arg; } if (arg->val == F_DUPFD_CLOEXEC || arg->val == F_DUPFD) { syscall_arg__set_ret_scnprintf(arg, syscall_arg__scnprintf_fd); goto out; } if (arg->val == F_GETOWN) { syscall_arg__set_ret_scnprintf(arg, syscall_arg__scnprintf_pid); goto mask_arg; } if (arg->val == F_GETLEASE) { syscall_arg__set_ret_scnprintf(arg, syscall_arg__scnprintf_fcntl_getlease); goto mask_arg; } /* * Some commands ignore the third fcntl argument, "arg", so mask it */ if (arg->val == F_GET_SEALS || arg->val == F_GETSIG) { mask_arg: arg->mask |= (1 << 2); } out: return syscall_arg__scnprintf_strarrays(bf, size, arg); } size_t syscall_arg__scnprintf_fcntl_arg(char *bf, size_t size, struct syscall_arg *arg) { bool show_prefix = arg->show_string_prefix; int cmd = syscall_arg__val(arg, 1); if (cmd == F_DUPFD) return syscall_arg__scnprintf_fd(bf, size, arg); if (cmd == F_SETFD) return fcntl__scnprintf_getfd(arg->val, bf, size, show_prefix); if (cmd == F_SETFL) return open__scnprintf_flags(arg->val, bf, size, show_prefix); if (cmd == F_SETOWN) return syscall_arg__scnprintf_pid(bf, size, arg); if (cmd == F_SETLEASE) return fcntl__scnprintf_getlease(arg->val, bf, size, show_prefix); /* * We still don't grab the contents of pointers on entry or exit, * so just print them as hex numbers */ if (cmd == F_SETLK || cmd == F_SETLKW || cmd == F_GETLK || cmd == F_OFD_SETLK || cmd == F_OFD_SETLKW || cmd == F_OFD_GETLK || cmd == F_GETOWN_EX || cmd == F_SETOWN_EX || cmd == F_GET_RW_HINT || cmd == F_SET_RW_HINT || cmd == F_GET_FILE_RW_HINT || cmd == F_SET_FILE_RW_HINT) return syscall_arg__scnprintf_hex(bf, size, arg); return syscall_arg__scnprintf_long(bf, size, arg); }
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with Cregit http://github.com/cregit/cregit
Version 2.0-RC1