Replace ftruncate with fallocate

eynhaender · eynhaender · commit 0836cbe13457 · 2025-10-07T21:55:39.000-04:00
diff --git a/src/memory/map.cpp b/src/memory/map.cpp
@@ -558,7 +558,7 @@ bool map::remap_(size_t size) NOEXCEPT
 bool map::resize_(size_t size) NOEXCEPT
 {
     // Disk full detection is platform common, any other failure is an abort.
-    if (::ftruncate(opened_, size) == fail)
+    if (::fallocate(opened_, 0, capacity_, size - capacity_) == fail)
     {
         // Disk full is the only restartable store failure (leave mapped).
         if (errno == ENOSPC)

Original file line number	Diff line number	Diff line change
`@@ -558,7 +558,7 @@ bool map::remap_(size_t size) NOEXCEPT`
`558`	`558`	`bool map::resize_(size_t size) NOEXCEPT`
`559`	`559`	`{`
`560`	`560`	`// Disk full detection is platform common, any other failure is an abort.`
`561`		`- if (::ftruncate(opened_, size) == fail)`
	`561`	`+ if (::fallocate(opened_, 0, capacity_, size - capacity_) == fail)`
`562`	`562`	`{`
`563`	`563`	`// Disk full is the only restartable store failure (leave mapped).`
`564`	`564`	`if (errno == ENOSPC)`