From: Shawn O. Pearce Date: Sat, 23 Dec 2006 07:34:41 GMT Subject: [PATCH 14/17] Improve error message when packfile mmap fails. Message-ID: <20061223073441.GO9837@spearce.org> In-Reply-To: <53b67707929c7f051f6d384c5d96e653bfa8419c.1166857884.git.spearce@spearce.org> If we are unable to mmap the a region of the packfile with the mmap() system call there may be a good reason why, such as a closed file descriptor or out of address space. Reporting the system level error message can help to debug such problems. Signed-off-by: Shawn O. Pearce --- sha1_file.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/sha1_file.c b/sha1_file.c index fab2ab0..7872c2d 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -590,7 +590,9 @@ unsigned char* use_pack(struct packed_git *p, PROT_READ, MAP_PRIVATE, p->pack_fd, win->offset); if (win->base == MAP_FAILED) - die("packfile %s cannot be mapped.", p->pack_name); + die("packfile %s cannot be mapped: %s", + p->pack_name, + strerror(errno)); win->next = p->windows; p->windows = win; } -- 1.4.4.3.g87d8