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/freebsd/sys/kern/
H A Dsubr_epoch.c32 #include <sys/epoch.h>
70 struct epoch *er_parent;
80 struct epoch { struct
96 SYSCTL_NODE(_kern, OID_AUTO, epoch, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, argument
97 "epoch information");
99 "epoch stats");
105 &block_count, "# of times a thread was in an epoch when epoch_wait was called");
113 &turnstile_count, "# of times a thread was blocked on a lock in an epoch during an epoch_wait");
132 static struct epoch epoch_array[MAX_EPOCHS];
150 epoch_currecord(epoch_t epoch) in epoch_currecord() argument
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/freebsd/share/man/man9/
H A Depoch.931 .Nm epoch ,
45 .Nd kernel epoch based reclamation
52 struct epoch; /* Opaque */
54 .Vt typedef "struct epoch *epoch_t" ;
70 .Fn epoch_free "epoch_t epoch"
72 .Fn epoch_enter "epoch_t epoch"
74 .Fn epoch_exit "epoch_t epoch"
76 .Fn epoch_wait "epoch_t epoch"
78 .Fn epoch_enter_preempt "epoch_t epoch" "epoch_tracker_t et"
80 .Fn epoch_exit_preempt "epoch_t epoch" "epoch_tracker_t et"
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/freebsd/sys/contrib/ck/src/
H A Dck_epoch.c44 * acquired some snapshot (e) of the global epoch value (e_g) and set an active
66 * causes epoch counter tick) actually deletes the same items that reader
68 * This is possible if the writer thread re-observes the epoch after the
89 * Now, if the epoch counter is ticked to e_g+1, then no new hazardous
91 * this is that at e_g+1, all epoch read-side critical sections started at
92 * e_g-1 must have been completed. If any epoch read-side critical sections at
121 * Blocking semantics for epoch reclamation have additional restrictions.
166 * epoch. If so, then make sure to update our shared snapshot in CK_STACK_CONTAINER()
174 ((int)(current->epoch - other->epoch) < 0)) { in CK_STACK_CONTAINER()
176 * The other epoch value is actually the newest, in CK_STACK_CONTAINER()
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/freebsd/sys/sys/
H A Depoch.h45 struct epoch;
46 typedef struct epoch *epoch_t;
60 struct epoch *et_epoch;
71 void epoch_free(epoch_t epoch);
72 void epoch_wait(epoch_t epoch);
73 void epoch_wait_preempt(epoch_t epoch);
74 void epoch_drain_callbacks(epoch_t epoch);
75 void epoch_call(epoch_t epoch, epoch_callback_t cb, epoch_context_t ctx);
76 int in_epoch(epoch_t epoch);
77 int in_epoch_verbose(epoch_t epoch, int dump_onfail);
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/freebsd/sys/contrib/ck/include/
H A Dck_epoch.h48 * epoch sections.
81 unsigned int epoch; member
89 unsigned int epoch; member
103 unsigned int epoch; member
123 * Marks the beginning of an epoch-protected section.
128 struct ck_epoch *epoch = record->global; in ck_epoch_begin() local
131 * Only observe new epoch if thread is not recursing into a read in ck_epoch_begin()
139 * is committed into the caller's epoch and active fields. in ck_epoch_begin()
152 * active flag due to monotonic nature of the global epoch. in ck_epoch_begin()
155 * of global epoch. in ck_epoch_begin()
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/freebsd/contrib/llvm-project/compiler-rt/lib/tsan/rtl/
H A Dtsan_defs.h62 enum class Epoch : u16 {}; enum
64 constexpr Epoch kEpochZero = static_cast<Epoch>(0);
65 constexpr Epoch kEpochOver = static_cast<Epoch>(1 << kEpochBits);
66 constexpr Epoch kEpochLast = static_cast<Epoch>((1 << kEpochBits) - 1);
68 inline Epoch EpochInc(Epoch epoch) { in EpochInc() argument
69 return static_cast<Epoch>(static_cast<u16>(epoch) + 1); in EpochInc()
72 inline bool EpochOverflow(Epoch epoch) { return epoch == kEpochOver; } in EpochOverflow() argument
H A Dtsan_shadow.h32 Epoch epoch() const { return static_cast<Epoch>(part_.epoch_); } in epoch() function
34 void SetEpoch(Epoch epoch) { part_.epoch_ = static_cast<u16>(epoch); } in SetEpoch() argument
74 DCHECK_EQ(epoch(), epoch0); in Shadow()
81 Epoch epoch() const { return static_cast<Epoch>(part_.epoch_); } in epoch() function
140 static RawShadow FreedInfo(Sid sid, Epoch epoch) { in FreedInfo() argument
143 s.part_.epoch_ = static_cast<u16>(epoch); in FreedInfo()
H A Dtsan_vector_clock.h24 Epoch Get(Sid sid) const;
25 void Set(Sid sid, Epoch v);
37 VECTOR_ALIGNED Epoch clk_[kThreadSlotCount];
40 ALWAYS_INLINE Epoch VectorClock::Get(Sid sid) const { in Get()
44 ALWAYS_INLINE void VectorClock::Set(Sid sid, Epoch v) { in Set()
H A Dtsan_rtl.cpp136 static void DoResetImpl(uptr epoch) { in DoResetImpl() argument
139 CHECK_EQ(ctx->global_epoch, epoch); in DoResetImpl()
233 void DoReset(ThreadState* thr, uptr epoch) SANITIZER_NO_THREAD_SAFETY_ANALYSIS { in DoReset() argument
236 if (UNLIKELY(epoch == 0)) in DoReset()
237 epoch = ctx->global_epoch; in DoReset()
238 if (UNLIKELY(epoch != ctx->global_epoch)) { in DoReset()
239 // Epoch can't change once we've locked the first slot. in DoReset()
245 DPrintf("#%d: DoReset epoch=%lu\n", thr ? thr->tid : -1, epoch); in DoReset()
246 DoResetImpl(epoch); in DoReset()
257 uptr epoch; in FindSlotAndLock() local
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H A Dtsan_rtl_report.cpp352 // or up to the provided epoch/sid (whichever is earlier)
356 Epoch epoch, Func f) { in TraceReplay() argument
359 Epoch ev_epoch = kEpochOver; in TraceReplay()
376 ev_epoch = static_cast<Epoch>(ev->epoch); in TraceReplay()
377 if (ev_sid == sid && ev_epoch > epoch) in TraceReplay()
429 // by epoch/addr/size/typ and restores and returns tid, stack, mutex set
432 bool RestoreStack(EventType type, Sid sid, Epoch epoch, uptr addr, uptr size, in RestoreStack() argument
435 // This function restores stack trace and mutex set for the thread/epoch. in RestoreStack()
437 // trace part, and then replaying the trace till the given epoch. in RestoreStack()
439 static_cast<int>(sid), static_cast<int>(epoch), addr, size, in RestoreStack()
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H A Dtsan_rtl.h136 Epoch epoch; member
147 Epoch epoch() const { in epoch() function
148 return static_cast<Epoch>(atomic_load(&raw_epoch, memory_order_relaxed)); in epoch()
151 void SetEpoch(Epoch v) { in SetEpoch()
330 // If this happens, previous access sid+epoch will be the same for all of
331 // these false races b/c if the thread will try to increment epoch, it will
333 // values. So, last_spurious_race is used to remember the last sid+epoch
335 // races with the same sid+epoch very early and quickly.
340 // would be to hold an array of such sid+epoch, but we consider such scenario
343 // 1. When a legit access with the same sid+epoch participates in a race
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/freebsd/sys/contrib/openzfs/scripts/
H A Dkmodtool81 Requires: ${kmodname}-kmod-common >= %{?epoch:%{epoch}:}%{version}
82 Provides: ${kmodname}-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
107 Provides: ${kmodname}-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
108 Provides: kmod-${kmodname}-xen = %{?epoch:%{epoch}:}%{version}-%{release}
109 Provides: kmod-${kmodname}-smp = %{?epoch:%{epoch}:}%{version}-%{release}
110 Provides: kmod-${kmodname}-PAE = %{?epoch:%{epoch}:}%{version}-%{release}
111 Requires: akmod-${kmodname} = %{?epoch:%{epoch}:}%{version}-%{release}
153 Provides: ${kmodname}-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
154 Requires: ${kmodname}-kmod-common >= %{?epoch:%{epoch}:}%{version}
230 Provides: ${kmodname}-devel-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
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/freebsd/contrib/jemalloc/include/jemalloc/internal/
H A Darena_structs_b.h35 * not actually advance to a new epoch until sometime after it starts
37 * to completely skip epochs. In all cases, during epoch advancement we
38 * merge all relevant activity into the most recently recorded epoch.
40 nstime_t epoch; member
44 * Deadline for current epoch. This is the sum of interval and per
45 * epoch jitter which is a uniform random variable in [0..interval).
52 * Number of unpurged pages at beginning of current epoch. During epoch
61 * element is the most recent epoch. Corresponding epoch times are
62 * relative to epoch.
/freebsd/usr.sbin/pw/tests/
H A Dpw_useradd_test.sh75 # Test add user with account expiration as an epoch date
92 EPOCH=`date -j -f "%d-%m-%Y %H:%M:%S" "${DATE} 00:00:00" "+%s"`
94 atf_check -s exit:0 -o match:"^test:\*:.*::0:${EPOCH}:User &:.*" \
104 EPOCH=`date -j -f "%d-%b-%Y %H:%M:%S" "${DATE} 00:00:00" "+%s"`
106 atf_check -s exit:0 -o match:"^test:\*:.*::0:${EPOCH}:User &:.*" \
115 EPOCH=`date -j -v+13m "+%s"`
116 BUF=`expr $EPOCH + 5`
119 [ ! -z $TIME -a $TIME -ge $EPOCH -a $TIME -lt $BUF ] || \
120 atf_fail "Expiration time($TIME) was not within $EPOCH - $BUF seconds."
123 # Test add user with password expiration as an epoch date
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/freebsd/sys/tests/epoch/
H A Depoch_test.c31 #include <sys/epoch.h>
55 MTX_SYSINIT(state_mtx, &state_mtx, "epoch state mutex", MTX_DEF);
57 MTX_SYSINIT(mutexA, &mutexA, "epoch mutexA", MTX_DEF);
59 MTX_SYSINIT(mutexB, &mutexB, "epoch mutexB", MTX_DEF);
117 msleep(&state_mtx, &state_mtx, 0, "epoch start wait", 0); in testloop()
186 "Epoch Test Framework");
190 "Execute an epoch test");
208 pause("epoch unload", 3*hz); in epoch_test_module_event_handler()
/freebsd/contrib/llvm-project/llvm/include/llvm/ADT/
H A DEpochTracker.h1 //===- llvm/ADT/EpochTracker.h - ADT epoch tracking --------------*- C++ -*-==//
38 uint64_t Epoch = 0; variable
45 void incrementEpoch() { ++Epoch; } in incrementEpoch()
67 : EpochAddress(&Parent->Epoch), EpochAtCreation(Parent->Epoch) {} in HandleBase()
74 /// Returns a pointer to the epoch word stored in the data structure
/freebsd/contrib/ntp/ntpd/
H A Drefclock_wwv.c84 #define WWV_SEC 8000 /* second epoch (sample rate) (Hz) */
85 #define WWV_MIN (WWV_SEC * 60) /* minute epoch */
133 #define MSYNC 0x0001 /* minute epoch sync */
134 #define SSYNC 0x0002 /* second epoch sync */
481 double epoch; /* accumulated epoch differences */ member
486 long mepoch; /* minute synch epoch */
536 int yepoch; /* sync epoch */
537 int repoch; /* buffered sync epoch */
896 * quadrature phase. The routine also determines the minute synch epoch,
972 int epoch; /* comb filter index */ wwv_rf() local
1304 long epoch; wwv_qrz() local
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/freebsd/contrib/ntp/scripts/monitoring/
H A Dtimelocal.pl27 @epoch = localtime(0);
28 $tzmin = $epoch[2] * 60 + $epoch[1]; # minutes east of GMT
31 $tzmin -= 24 * 60 if $epoch[5] == 70; # account for the date line
65 $year += $YearFix if $year < $epoch[5];
/freebsd/usr.bin/calendar/
H A Dpom.c57 #define EPOCH 85 macro
58 #define EPSILONg 279.611371 /* solar ecliptic long at EPOCH */
59 #define RHOg 282.680403 /* solar ecliptic long of perigee at EPOCH */
61 #define lzero 18.251907 /* lunar mean long at EPOCH */
62 #define Pzero 192.917585 /* lunar mean long of perigee at EPOCH */
63 #define Nzero 55.204723 /* lunar mean long of node at EPOCH */
125 for (cnt = EPOCH; cnt < GMT.tm_year; ++cnt) in fpom()
135 for (cnt = EPOCH; cnt < GMT.tm_year; ++cnt) in fpom()
/freebsd/usr.bin/pom/
H A Dpom.c58 #define EPOCH 85 macro
59 #define EPSILONg 279.611371 /* solar ecliptic long at EPOCH */
60 #define RHOg 282.680403 /* solar ecliptic long of perigee at EPOCH */
62 #define lzero 18.251907 /* lunar mean long at EPOCH */
63 #define Pzero 192.917585 /* lunar mean long of perigee at EPOCH */
64 #define Nzero 55.204723 /* lunar mean long of node at EPOCH */
138 for (cnt = EPOCH; cnt < GMT.tm_year; ++cnt) in main()
/freebsd/contrib/llvm-project/compiler-rt/lib/fuzzer/
H A DFuzzerIOPosix.cpp55 void ListFilesInDirRecursive(const std::string &Dir, long *Epoch, in ListFilesInDirRecursive() argument
58 if (Epoch) in ListFilesInDirRecursive()
59 if (E && *Epoch >= E) return; in ListFilesInDirRecursive()
74 ListFilesInDirRecursive(Path, Epoch, V, false); in ListFilesInDirRecursive()
77 if (Epoch && TopDir) in ListFilesInDirRecursive()
78 *Epoch = E; in ListFilesInDirRecursive()
/freebsd/contrib/unbound/sldns/
H A Dparseutil.h50 * Convert TM to seconds since epoch (midnight, January 1st, 1970).
53 * \return the seconds since epoch
58 * The function interprets time as the number of seconds since epoch
64 * \param[in] time number of seconds since epoch (midnight, January 1st, 1970)
66 * \param[in] now number of seconds since epoch (midnight, January 1st, 1970)
/freebsd/crypto/openssl/ssl/record/
H A Drec_layer_d1.c222 * retrieve a buffered record that belongs to the new epoch, i.e., not
240 /* Check if epoch is current. */ in dtls1_process_buffered_records()
241 if (s->rlayer.d->unprocessed_rcds.epoch != s->rlayer.d->r_epoch) in dtls1_process_buffered_records()
251 * be a record from the new epoch in it - so don't overwrite it in dtls1_process_buffered_records()
265 * current record is from a different epoch. But that cannot in dtls1_process_buffered_records()
266 * be the case because we already checked the epoch above in dtls1_process_buffered_records()
305 * sync epoch numbers once all the unprocessed records have been in dtls1_process_buffered_records()
308 s->rlayer.d->processed_rcds.epoch = s->rlayer.d->r_epoch; in dtls1_process_buffered_records()
309 s->rlayer.d->unprocessed_rcds.epoch = s->rlayer.d->r_epoch + 1; in dtls1_process_buffered_records()
868 /* field where we are to write out packet epoch, seq num and len */ in do_dtls1_write()
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/freebsd/crypto/openssl/test/helpers/
H A Dssltestlib.c129 int rem, i, content, reclen, msglen, fragoff, fraglen, epoch; in dump_data()
149 epoch = (rec[RECORD_EPOCH_HI] << 8) | rec[RECORD_EPOCH_LO]; in dump_data()
150 printf("** Record Epoch: %d\n", epoch); in dump_data()
162 if (epoch > 0) { in dump_data()
276 unsigned int epoch;
360 unsigned int seq, offset, len, epoch; in mempacket_test_read()
386 epoch = (rec[EPOCH_HI] << 8) | rec[EPOCH_LO]; in mempacket_test_read()
387 if (epoch != ctx->epoch) { in mempacket_test_read()
120 int rem, i, content, reclen, msglen, fragoff, fraglen, epoch; dump_data() local
267 unsigned int epoch; global() member
351 unsigned int seq, offset, len, epoch; mempacket_test_read() local
424 unsigned int epoch; mempacket_swap_epoch() local
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/freebsd/sbin/routed/
H A Dmain.c57 struct timeval epoch; /* when started */ variable
68 EPOCH+SUPPLY_INTERVAL, 0
113 epoch = clk; in main()
114 epoch.tv_sec -= EPOCH; in main()
115 now.tv_sec = EPOCH; in main()
116 now_stale = EPOCH - STALE_TIME; in main()
117 now_expire = EPOCH - EXPIRE_TIME; in main()
118 now_garbage = EPOCH - GARBAGE_TIME; in main()
316 intvl_random(&next_bcast, EPOCH+MIN_WAITTIME, EPOCH+SUPPLY_INTERVAL); in main()
318 age_timer.tv_sec = EPOCH+MIN_WAITTIME; in main()
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