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authorBjörn-Egil Dahlberg <[email protected]>2016-06-13 11:30:55 +0200
committerBjörn-Egil Dahlberg <[email protected]>2016-06-13 11:30:55 +0200
commit99b379365981e14e2c8dde7b1a337c8ff856bd4a (patch)
treeb3905e9288a95eb0e00f807dc02a9ba5d1db0b0f /erts/emulator/beam
parentd71195359ad79134b9333d4467d2748d49e8b018 (diff)
parent45c595ab6150792b2b7be9a407c3d30e634e3924 (diff)
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Merge branch 'egil/erts/fix-undefined-shift/OTP-13665'
* egil/erts/fix-undefined-shift/OTP-13665: erts: Fix undefined shift to msb in erl_process erts: Fix undefined shift to msb in monotonic time erts: Fix undefined shift to msb in erl_thr_progress erts: Fix undefined shift to msb in ethr_mutex
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r--erts/emulator/beam/erl_process.c2
-rw-r--r--erts/emulator/beam/erl_ptab.h2
-rw-r--r--erts/emulator/beam/erl_thr_progress.c20
3 files changed, 12 insertions, 12 deletions
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index 48f89d2bd7..66f22979ad 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -3509,7 +3509,7 @@ wake_dirty_schedulers(ErtsRunQueue *rq, int one)
#endif
#define ERTS_NO_USED_RUNQS_SHIFT 16
-#define ERTS_NO_RUNQS_MASK 0xffff
+#define ERTS_NO_RUNQS_MASK 0xffffU
#if ERTS_MAX_NO_OF_SCHEDULERS > ERTS_NO_RUNQS_MASK
# error "Too large amount of schedulers allowed"
diff --git a/erts/emulator/beam/erl_ptab.h b/erts/emulator/beam/erl_ptab.h
index a5931ffc25..fecfd96ab0 100644
--- a/erts/emulator/beam/erl_ptab.h
+++ b/erts/emulator/beam/erl_ptab.h
@@ -168,7 +168,7 @@ typedef struct {
#define ERTS_PTAB_INVALID_ID(TAG) \
((Eterm) \
- ((((1 << ERTS_PTAB_ID_DATA_SIZE) - 1) << ERTS_PTAB_ID_DATA_SHIFT) \
+ ((((1U << ERTS_PTAB_ID_DATA_SIZE) - 1) << ERTS_PTAB_ID_DATA_SHIFT) \
| (TAG)))
#define erts_ptab_is_valid_id(ID) \
diff --git a/erts/emulator/beam/erl_thr_progress.c b/erts/emulator/beam/erl_thr_progress.c
index 542541165b..21938e7684 100644
--- a/erts/emulator/beam/erl_thr_progress.c
+++ b/erts/emulator/beam/erl_thr_progress.c
@@ -95,9 +95,9 @@
#define ERTS_THR_PRGR_FTL_ERR_BLCK_POLL_INTERVAL 100
-#define ERTS_THR_PRGR_LFLG_BLOCK (((erts_aint32_t) 1) << 31)
-#define ERTS_THR_PRGR_LFLG_NO_LEADER (((erts_aint32_t) 1) << 30)
-#define ERTS_THR_PRGR_LFLG_WAITING_UM (((erts_aint32_t) 1) << 29)
+#define ERTS_THR_PRGR_LFLG_BLOCK ((erts_aint32_t) (1U << 31))
+#define ERTS_THR_PRGR_LFLG_NO_LEADER ((erts_aint32_t) (1U << 30))
+#define ERTS_THR_PRGR_LFLG_WAITING_UM ((erts_aint32_t) (1U << 29))
#define ERTS_THR_PRGR_LFLG_ACTIVE_MASK (~(ERTS_THR_PRGR_LFLG_NO_LEADER \
| ERTS_THR_PRGR_LFLG_BLOCK \
| ERTS_THR_PRGR_LFLG_WAITING_UM))
@@ -142,8 +142,8 @@ init_nob(ERTS_THR_PRGR_ATOMIC *atmc, ErtsThrPrgrVal val)
#warning "Thread progress state debug is on"
#endif
-#define ERTS_THR_PROGRESS_STATE_DEBUG_LEADER (((erts_aint32_t) 1) << 0)
-#define ERTS_THR_PROGRESS_STATE_DEBUG_ACTIVE (((erts_aint32_t) 1) << 1)
+#define ERTS_THR_PROGRESS_STATE_DEBUG_LEADER ((erts_aint32_t) (1U << 0))
+#define ERTS_THR_PROGRESS_STATE_DEBUG_ACTIVE ((erts_aint32_t) (1U << 1))
#define ERTS_THR_PROGRESS_STATE_DEBUG_INIT(ID) \
erts_atomic32_init_nob(&intrnl->thr[(ID)].data.state_debug, \
@@ -179,10 +179,10 @@ do { \
#endif /* ERTS_THR_PROGRESS_STATE_DEBUG */
-#define ERTS_THR_PRGR_BLCKR_INVALID (~((erts_aint32_t) 0))
-#define ERTS_THR_PRGR_BLCKR_UNMANAGED (((erts_aint32_t) 1) << 31)
+#define ERTS_THR_PRGR_BLCKR_INVALID ((erts_aint32_t) (~0U))
+#define ERTS_THR_PRGR_BLCKR_UNMANAGED ((erts_aint32_t) (1U << 31))
-#define ERTS_THR_PRGR_BC_FLG_NOT_BLOCKING (((erts_aint32_t) 1) << 31)
+#define ERTS_THR_PRGR_BC_FLG_NOT_BLOCKING ((erts_aint32_t) (1U << 31))
#define ERTS_THR_PRGR_BM_BITS 32
#define ERTS_THR_PRGR_BM_SHIFT 5
@@ -1186,7 +1186,7 @@ wakeup_unmanaged_threads(ErtsThrPrgrUnmanagedWakeupData *umwd)
int hbase = hix << ERTS_THR_PRGR_BM_SHIFT;
int hbit;
for (hbit = 0; hbit < ERTS_THR_PRGR_BM_BITS; hbit++) {
- if (hmask & (1 << hbit)) {
+ if (hmask & (1U << hbit)) {
erts_aint_t lmask;
int lix = hbase + hbit;
ASSERT(0 <= lix && lix < umwd->low_sz);
@@ -1195,7 +1195,7 @@ wakeup_unmanaged_threads(ErtsThrPrgrUnmanagedWakeupData *umwd)
int lbase = lix << ERTS_THR_PRGR_BM_SHIFT;
int lbit;
for (lbit = 0; lbit < ERTS_THR_PRGR_BM_BITS; lbit++) {
- if (lmask & (1 << lbit)) {
+ if (lmask & (1U << lbit)) {
int id = lbase + lbit;
wakeup_unmanaged(id);
}