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cgen: fix for rlock/lock handling (#8536)

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Uwe Krüger 2021-02-03 17:33:18 +01:00 committed by GitHub
parent de37b52d4b
commit 2424e2cb02
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2 changed files with 18 additions and 7 deletions
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23
vlib/v/gen/c/cgen.v
View File

@ -3420,13 +3420,24 @@ fn (mut g Gen) lock_expr(node ast.LockExpr) {
mtxs = g.new_tmp_var()
g.writeln('uintptr_t _arr_$mtxs[$node.lockeds.len];')
g.writeln('bool _isrlck_$mtxs[$node.lockeds.len];')
mut j := 0
for i, id in node.lockeds {
name := id.name
deref := if id.is_mut { '->' } else { '.' }
g.writeln('_arr_$mtxs[$i] = &$name${deref}mtx;')
// TODO: fix `vfmt` to allow this in string interpolation
is_rlock_str := node.is_rlock[i].str()
g.writeln('_isrlck_$mtxs[$i] = $is_rlock_str;')
if !node.is_rlock[i] {
name := id.name
deref := if id.is_mut { '->' } else { '.' }
g.writeln('_arr_$mtxs[$j] = &$name${deref}mtx;')
g.writeln('_isrlck_$mtxs[$j] = false;')
j++
}
}
for i, id in node.lockeds {
if node.is_rlock[i] {
name := id.name
deref := if id.is_mut { '->' } else { '.' }
g.writeln('_arr_$mtxs[$j] = &$name${deref}mtx;')
g.writeln('_isrlck_$mtxs[$j] = true;')
j++
}
}
g.writeln('__sort_ptr(_arr_$mtxs, _isrlck_$mtxs, $node.lockeds.len);')
g.writeln('for (int $mtxs=0; $mtxs<$node.lockeds.len; $mtxs++) {')

2
vlib/v/gen/c/cheaders.v
View File

@ -37,7 +37,7 @@ static inline void __sort_ptr(uintptr_t a[], bool b[], int l)
uintptr_t ins = a[i];
bool insb = b[i];
int j = i;
while(j>0 && (a[j-1] > ins || b[j-1] && !insb)) {
while(j>0 && a[j-1] > ins) {
a[j] = a[j-1];
b[j] = b[j-1];
j--;