diff options
Diffstat (limited to 'lib/dpkg/ehandle.h')
-rw-r--r-- | lib/dpkg/ehandle.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/lib/dpkg/ehandle.h b/lib/dpkg/ehandle.h new file mode 100644 index 0000000..3605904 --- /dev/null +++ b/lib/dpkg/ehandle.h @@ -0,0 +1,84 @@ +/* + * libdpkg - Debian packaging suite library routines + * ehandle.h - error handling + * + * Copyright © 1994,1995 Ian Jackson <ijackson@chiark.greenend.org.uk> + * Copyright © 2000,2001 Wichert Akkerman <wichert@debian.org> + * + * This is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#ifndef LIBDPKG_EHANDLE_H +#define LIBDPKG_EHANDLE_H + +#include <setjmp.h> +#include <stddef.h> +#include <stdarg.h> + +#include <dpkg/macros.h> + +DPKG_BEGIN_DECLS + +/** + * @defgroup ehandle Error context handling + * @ingroup dpkg-public + * @{ + */ + +extern volatile int onerr_abort; + +enum { + ehflag_normaltidy = DPKG_BIT(0), + ehflag_bombout = DPKG_BIT(1), + ehflag_recursiveerror = DPKG_BIT(2), +}; + +typedef void error_handler_func(void); +typedef void error_printer_func(const char *emsg, const void *data); + +void print_fatal_error(const char *emsg, const void *data); +void catch_fatal_error(void); + +void push_error_context_jump(jmp_buf *jumper, + error_printer_func *printer, + const void *printer_data); +void push_error_context_func(error_handler_func *handler, + error_printer_func *printer, + const void *printer_data); +void push_error_context(void); +void pop_error_context(int flagset); + +void push_cleanup_fallback(void (*f1)(int argc, void **argv), int flagmask1, + void (*f2)(int argc, void **argv), int flagmask2, + unsigned int nargs, ...); +void push_cleanup(void (*call)(int argc, void **argv), int flagmask, + unsigned int nargs, ...); +void push_checkpoint(int mask, int value); +void pop_cleanup(int flagset); + +void ohshitv(const char *fmt, va_list args) + DPKG_ATTR_NORET DPKG_ATTR_VPRINTF(1); +void ohshit(const char *fmt, ...) DPKG_ATTR_NORET DPKG_ATTR_PRINTF(1); +void ohshite(const char *fmt, ...) DPKG_ATTR_NORET DPKG_ATTR_PRINTF(1); + +void do_internerr(const char *file, int line, const char *func, + const char *fmt, ...) + DPKG_ATTR_NORET DPKG_ATTR_PRINTF(4); +#define internerr(...) do_internerr(__FILE__, __LINE__, __func__, __VA_ARGS__) + +/** @} */ + +DPKG_END_DECLS + +#endif /* LIBDPKG_EHANDLE_H */ |