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| author | midipix <writeonce@midipix.org> | 2016-10-23 22:37:34 -0400 |
|---|---|---|
| committer | midipix <writeonce@midipix.org> | 2016-11-11 00:22:48 -0500 |
| commit | 4ecd081e04021478af3ae9879bdc6b228dbc8c05 (patch) | |
| tree | 26a29522dc3b7b80ad2966ab7071cf7f2dc104ac /src/internal | |
| parent | 3a9f95ab03988cd1d4755f6da7c9a24b0c9ff121 (diff) | |
| download | mdso-4ecd081e04021478af3ae9879bdc6b228dbc8c05.tar.bz2 mdso-4ecd081e04021478af3ae9879bdc6b228dbc8c05.tar.xz | |
internals: error trace implementation: added mdso_record_error().
Diffstat (limited to 'src/internal')
| -rw-r--r-- | src/internal/mdso_errinfo_impl.c | 41 | ||||
| -rw-r--r-- | src/internal/mdso_errinfo_impl.h | 80 |
2 files changed, 121 insertions, 0 deletions
diff --git a/src/internal/mdso_errinfo_impl.c b/src/internal/mdso_errinfo_impl.c new file mode 100644 index 0000000..e106f47 --- /dev/null +++ b/src/internal/mdso_errinfo_impl.c @@ -0,0 +1,41 @@ +/****************************************************************/ +/* mdso: midipix dso scavenger */ +/* Copyright (C) 2015--2016 Z. Gilboa */ +/* Released under GPLv2 and GPLv3; see COPYING.MDSO. */ +/****************************************************************/ + +#include <mdso/mdso.h> +#include "mdso_driver_impl.h" +#include "mdso_errinfo_impl.h" + +int mdso_record_error( + const struct mdso_driver_ctx * dctx, + int syserror, + int liberror, + const char * function, + int line, + unsigned flags, + void * ctx) +{ + struct mdso_driver_ctx_impl * ictx; + struct mdso_error_info * erri; + + ictx = mdso_get_driver_ictx(dctx); + + if (ictx->errinfp == ictx->erricap) + return -1; + + *ictx->errinfp = &ictx->erribuf[ictx->errinfp - ictx->erriptr]; + erri = *ictx->errinfp; + + erri->syserror = syserror; + erri->liberror = liberror; + erri->function = function; + erri->line = line; + erri->flags = flags; + erri->ctx = ctx; + + ictx->errinfp++; + + return -1; +} diff --git a/src/internal/mdso_errinfo_impl.h b/src/internal/mdso_errinfo_impl.h new file mode 100644 index 0000000..5a56e70 --- /dev/null +++ b/src/internal/mdso_errinfo_impl.h @@ -0,0 +1,80 @@ +/****************************************************************/ +/* mdso: midipix dso scavenger */ +/* Copyright (C) 2015--2016 Z. Gilboa */ +/* Released under GPLv2 and GPLv3; see COPYING.MDSO. */ +/****************************************************************/ + +#include <errno.h> +#include <mdso/mdso.h> + +int mdso_record_error( + const struct mdso_driver_ctx *, + int syserror, + int liberror, + const char * function, + int line, + unsigned flags, + void * ctx); + +#define MDSO_SYSTEM_ERROR(dctx) \ + mdso_record_error( \ + dctx, \ + errno, \ + 0, \ + __func__, \ + __LINE__, \ + MDSO_ERROR_TOP_LEVEL, \ + 0) + +#define MDSO_BUFFER_ERROR(dctx) \ + mdso_record_error( \ + dctx, \ + ENOBUFS, \ + 0, \ + __func__, \ + __LINE__, \ + MDSO_ERROR_TOP_LEVEL, \ + 0) + +#define MDSO_SPAWN_ERROR(dctx) \ + mdso_record_error( \ + dctx, \ + errno, \ + 0, \ + __func__, \ + __LINE__, \ + MDSO_ERROR_TOP_LEVEL \ + | (errno ? 0 \ + : MDSO_ERROR_CHILD), \ + 0) + +#define MDSO_FILE_ERROR(dctx) \ + mdso_record_error( \ + dctx, \ + EIO, \ + 0, \ + __func__, \ + __LINE__, \ + MDSO_ERROR_TOP_LEVEL, \ + 0) + +#define MDSO_CUSTOM_ERROR(dctx,liberror) \ + mdso_record_error( \ + dctx, \ + 0, \ + liberror, \ + __func__, \ + __LINE__, \ + MDSO_ERROR_TOP_LEVEL \ + | MDSO_ERROR_CUSTOM, \ + 0) + +#define MDSO_NESTED_ERROR(dctx) \ + mdso_record_error( \ + dctx, \ + 0, \ + 0, \ + __func__, \ + __LINE__, \ + MDSO_ERROR_NESTED, \ + 0) |