/* * Error reporting * * Copyright (C) 2010 Red Hat Inc. * * Authors: * Markus Armbruster <armbru@redhat.com>, * * This work is licensed under the terms of the GNU GPL, version 2 or later. * See the COPYING file in the top-level directory. */ #ifndef QEMU_ERROR_REPORT_H #define QEMU_ERROR_REPORT_H typedef struct Location { /* all members are private to qemu-error.c */ enum { LOC_NONE, LOC_CMDLINE, LOC_FILE } kind; int num; const void *ptr; struct Location *prev; } Location; Location *loc_push_restore(Location *loc); Location *loc_push_none(Location *loc); Location *loc_pop(Location *loc); Location *loc_save(Location *loc); void loc_restore(Location *loc); void loc_set_none(void); void loc_set_cmdline(char **argv, int idx, int cnt); void loc_set_file(const char *fname, int lno); int error_vprintf(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); int error_printf(const char *fmt, ...) GCC_FMT_ATTR(1, 2); int error_vprintf_unless_qmp(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); int error_printf_unless_qmp(const char *fmt, ...) GCC_FMT_ATTR(1, 2); void error_vreport(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); void warn_vreport(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); void info_vreport(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0); void error_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2); void warn_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2); void info_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2); bool error_report_once_cond(bool *printed, const char *fmt, ...) GCC_FMT_ATTR(2, 3); bool warn_report_once_cond(bool *printed, const char *fmt, ...) GCC_FMT_ATTR(2, 3); void error_init(const char *argv0); /* * Similar to error_report(), except it prints the message just once. * Return true when it prints, false otherwise. */ #define error_report_once(fmt, ...) \ ({ \ static bool print_once_; \ error_report_once_cond(&print_once_, \ fmt, ##__VA_ARGS__); \ }) /* * Similar to warn_report(), except it prints the message just once. * Return true when it prints, false otherwise. */ #define warn_report_once(fmt, ...) \ ({ \ static bool print_once_; \ warn_report_once_cond(&print_once_, \ fmt, ##__VA_ARGS__); \ }) const char *error_get_progname(void); extern bool message_with_timestamp; extern bool error_with_guestname; extern const char *error_guest_name; #endif