7138ba34fa
* gnu/packages/patches/guile-continuation-stack-leak.patch: New patch. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/guile.scm (guile-3.0-latest)[source]: Use it.
27 lines
1,009 B
Diff
27 lines
1,009 B
Diff
This patch fixes a memory leak when capturing and resuming delimited
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continuations intensively, as is the case with the Shepherd 0.9+:
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https://issues.guix.gnu.org/59021
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diff --git a/libguile/vm.c b/libguile/vm.c
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index 6fd5c554f..516bae773 100644
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--- a/libguile/vm.c
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+++ b/libguile/vm.c
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@@ -165,11 +165,13 @@ capture_stack (union scm_vm_stack_element *stack_top,
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scm_t_dynstack *dynstack, uint32_t flags)
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{
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struct scm_vm_cont *p;
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+ size_t stack_size;
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- p = scm_gc_malloc (sizeof (*p), "capture_vm_cont");
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- p->stack_size = stack_top - sp;
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- p->stack_bottom = scm_gc_malloc (p->stack_size * sizeof (*p->stack_bottom),
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- "capture_vm_cont");
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+ stack_size = stack_top - sp;
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+ p = scm_gc_malloc (sizeof (*p) + stack_size * sizeof (*p->stack_bottom),
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+ "capture_vm_cont");
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+ p->stack_size = stack_size;
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+ p->stack_bottom = (void *) ((char *) p + sizeof (*p));
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p->vra = vra;
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p->mra = mra;
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p->fp_offset = stack_top - fp;
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