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author | Doug Zongker <dougz@android.com> | 2011-04-22 18:26:44 +0200 |
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committer | Doug Zongker <dougz@android.com> | 2011-04-22 18:33:14 +0200 |
commit | cfd256a3328aac1199a35825b5daf04f5f4fc112 (patch) | |
tree | 1b3e4ea2cb7907c9d5d7a2d390e9566ed54d2ea7 | |
parent | make write_raw_image able to take a blob (diff) | |
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-rw-r--r-- | bootloader.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/bootloader.c b/bootloader.c index b690c5582..709656602 100644 --- a/bootloader.c +++ b/bootloader.c @@ -22,6 +22,8 @@ #include <errno.h> #include <stdio.h> #include <string.h> +#include <sys/stat.h> +#include <unistd.h> static int get_bootloader_message_mtd(struct bootloader_message *out, const Volume* v); static int set_bootloader_message_mtd(const struct bootloader_message *in, const Volume* v); @@ -132,8 +134,26 @@ static int set_bootloader_message_mtd(const struct bootloader_message *in, // for misc partitions on block devices // ------------------------------------ +static void wait_for_device(const char* fn) { + int tries = 0; + int ret; + struct stat buf; + do { + ++tries; + ret = stat(fn, &buf); + if (ret) { + printf("stat %s try %d: %s\n", fn, tries, strerror(errno)); + sleep(1); + } + } while (ret && tries < 10); + if (ret) { + printf("failed to stat %s\n", fn); + } +} + static int get_bootloader_message_block(struct bootloader_message *out, const Volume* v) { + wait_for_device(v->device); FILE* f = fopen(v->device, "rb"); if (f == NULL) { LOGE("Can't open %s\n(%s)\n", v->device, strerror(errno)); @@ -155,6 +175,7 @@ static int get_bootloader_message_block(struct bootloader_message *out, static int set_bootloader_message_block(const struct bootloader_message *in, const Volume* v) { + wait_for_device(v->device); FILE* f = fopen(v->device, "wb"); if (f == NULL) { LOGE("Can't open %s\n(%s)\n", v->device, strerror(errno)); |