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authormidipix <writeonce@midipix.org>2016-10-23 23:51:20 -0400
committermidipix <writeonce@midipix.org>2016-11-11 00:22:49 -0500
commit51430e224464219f5b0bb94465eb9a3e2930cabd (patch)
tree22ff7d5dfc4c1a3527eeaa3e4b95f2d794c0e42d
parent62fec76c0ad272943d16867c4084134f82f9157a (diff)
downloadmdso-51430e224464219f5b0bb94465eb9a3e2930cabd.tar.bz2
mdso-51430e224464219f5b0bb94465eb9a3e2930cabd.tar.xz
mdso_map_input(): added error trace support.
-rw-r--r--include/mdso/mdso.h2
-rw-r--r--src/driver/mdso_unit_ctx.c4
-rw-r--r--src/logic/mdso_map_input.c18
3 files changed, 14 insertions, 10 deletions
diff --git a/include/mdso/mdso.h b/include/mdso/mdso.h
index 4d770de..bd5c29f 100644
--- a/include/mdso/mdso.h
+++ b/include/mdso/mdso.h
@@ -107,7 +107,7 @@ mdso_api void mdso_free_driver_ctx (struct mdso_driver_ctx *);
mdso_api int mdso_get_unit_ctx (const struct mdso_driver_ctx *, const char * path, struct mdso_unit_ctx **);
mdso_api void mdso_free_unit_ctx (struct mdso_unit_ctx *);
-mdso_api int mdso_map_input (int fd, const char * path, int prot, struct mdso_input *);
+mdso_api int mdso_map_input (const struct mdso_driver_ctx *, int fd, const char * path, int prot, struct mdso_input *);
mdso_api int mdso_unmap_input (struct mdso_input *);
/* utility api */
diff --git a/src/driver/mdso_unit_ctx.c b/src/driver/mdso_unit_ctx.c
index 7181982..1ab77ff 100644
--- a/src/driver/mdso_unit_ctx.c
+++ b/src/driver/mdso_unit_ctx.c
@@ -190,9 +190,9 @@ int mdso_get_unit_ctx(
else
fclose(ftmp);
- if (mdso_map_input(fd,path,PROT_READ,&ctx->map))
+ if (mdso_map_input(dctx,fd,path,PROT_READ,&ctx->map))
return mdso_free_unit_ctx_impl(
- ctx,MDSO_SYSTEM_ERROR(dctx));
+ ctx,MDSO_NESTED_ERROR(dctx));
if (fd > 0)
close(fd);
diff --git a/src/logic/mdso_map_input.c b/src/logic/mdso_map_input.c
index e29b8e7..0cb290d 100644
--- a/src/logic/mdso_map_input.c
+++ b/src/logic/mdso_map_input.c
@@ -13,12 +13,14 @@
#include <sys/stat.h>
#include <mdso/mdso.h>
+#include "mdso_errinfo_impl.h"
int mdso_map_input(
- int fd,
- const char * path,
- int prot,
- struct mdso_input * map)
+ const struct mdso_driver_ctx * dctx,
+ int fd,
+ const char * path,
+ int prot,
+ struct mdso_input * map)
{
struct stat st;
bool fnew;
@@ -28,13 +30,13 @@ int mdso_map_input(
fd = open(path,O_RDONLY | O_CLOEXEC);
if (fd < 0)
- return -1;
+ return MDSO_SYSTEM_ERROR(dctx);
if ((ret = fstat(fd,&st) < 0) && fnew)
close(fd);
if (ret < 0)
- return -1;
+ return MDSO_SYSTEM_ERROR(dctx);
map->size = st.st_size;
map->addr = mmap(0,map->size,prot,MAP_PRIVATE,fd,0);
@@ -42,7 +44,9 @@ int mdso_map_input(
if (fnew)
close(fd);
- return (map->addr == MAP_FAILED) ? -1 : 0;
+ return (map->addr == MAP_FAILED)
+ ? MDSO_SYSTEM_ERROR(dctx)
+ : 0;
}
int mdso_unmap_input(struct mdso_input * map)