commit 5d9e18766eda2ecd5a2faa5aac6b43be0da7a1e4 parent 869b8f1d0d8d4b665c495a83c140ec7c94319875 Author: Roberto E. Vargas Caballero <roberto.vargas@midokura.com> Date: Thu, 24 Nov 2022 19:02:24 +0100 os9: Move reference counting out of proc.c The reference counting code is not actually related to the code in proc.c and it is shared between a lot of different functions. Diffstat:
| M | src/os9/Makefile | | | 1 | + |
| M | src/os9/proc.c | | | 27 | --------------------------- |
| A | src/os9/ref.c | | | 28 | ++++++++++++++++++++++++++++ |
3 files changed, 29 insertions(+), 27 deletions(-)
diff --git a/src/os9/Makefile b/src/os9/Makefile @@ -13,6 +13,7 @@ OBJS =\ dlang.o\ map.o\ proc.o\ + ref.o\ sys.o\ dev/builtin.o\ diff --git a/src/os9/proc.c b/src/os9/proc.c @@ -13,33 +13,6 @@ long long now; int cpuid; void -initref(Ref *rp) -{ - rp->m = 0; - rp->cnt = 1; -} - -void -incref(Ref *rp) -{ - lock(&rp->m); - rp->cnt++; - unlock(&rp->m); -} - -int -decref(Ref *rp) -{ - int r; - - lock(&rp->m); - r = --rp->cnt == 0; - unlock(&rp->m); - - return r; -} - -void locktask(Task *tp) { if (tp != proc) diff --git a/src/os9/ref.c b/src/os9/ref.c @@ -0,0 +1,28 @@ +#include <os9/os9.h> + +void +initref(Ref *rp) +{ + rp->m = 0; + rp->cnt = 1; +} + +void +incref(Ref *rp) +{ + lock(&rp->m); + rp->cnt++; + unlock(&rp->m); +} + +int +decref(Ref *rp) +{ + int r; + + lock(&rp->m); + r = --rp->cnt == 0; + unlock(&rp->m); + + return r; +}