Message ID | 1450131276-16659-1-git-send-email-bill.fischofer@linaro.org |
---|---|
State | Superseded |
Headers | show |
v3 posted to fix doxygen issues. On Mon, Dec 14, 2015 at 4:14 PM, Bill Fischofer <bill.fischofer@linaro.org> wrote: > The linux-generic implementation of odp_time_t makes use of POSIX > APIs that are sensitive to the _POSIX_C_SOURCE level. Use an indirection > mechanism so that these dependencies do not "bleed through" the ODP API. > This means that ODP applications can be independent of _POSIX_C_SOURCE > level. > > Signed-off-by: Bill Fischofer <bill.fischofer@linaro.org> > --- > .../linux-generic/include/odp/plat/time_types.h | 14 +++++++--- > platform/linux-generic/odp_time.c | 30 > +++++++++++----------- > 2 files changed, 25 insertions(+), 19 deletions(-) > > diff --git a/platform/linux-generic/include/odp/plat/time_types.h > b/platform/linux-generic/include/odp/plat/time_types.h > index e5765ec..6269e40 100644 > --- a/platform/linux-generic/include/odp/plat/time_types.h > +++ b/platform/linux-generic/include/odp/plat/time_types.h > @@ -21,11 +21,17 @@ extern "C" { > * @{ > **/ > > -typedef struct timespec odp_time_t; > - > -odp_time_t odp_time_null(void); > +/** > + * Time structure > + * Used to isolate linux-generic implementation from the linux > + * timespec structure, which is dependent on _POSIX_C_SOURCE level. > + */ > +typedef struct odp_time_t { > + int64_t tv_sec; /**< Seconds */ > + int64_t tv_nsec; /**< Nanoseconds */ > +} odp_time_t; > > -#define ODP_TIME_NULL odp_time_null() > +#define ODP_TIME_NULL ((odp_time_t){0, 0}) > > /** > * @} > diff --git a/platform/linux-generic/odp_time.c > b/platform/linux-generic/odp_time.c > index 1c7c214..9b64b37 100644 > --- a/platform/linux-generic/odp_time.c > +++ b/platform/linux-generic/odp_time.c > @@ -11,7 +11,12 @@ > #include <odp/hints.h> > #include <odp_debug_internal.h> > > -static struct timespec start_time; > +typedef union { > + odp_time_t ex; > + struct timespec in; > +} _odp_time_t; > + > +static odp_time_t start_time; > > static inline > uint64_t time_to_ns(odp_time_t time) > @@ -27,7 +32,7 @@ uint64_t time_to_ns(odp_time_t time) > static inline > odp_time_t time_diff(odp_time_t t2, odp_time_t t1) > { > - struct timespec time; > + odp_time_t time; > > time.tv_sec = t2.tv_sec - t1.tv_sec; > time.tv_nsec = t2.tv_nsec - t1.tv_nsec; > @@ -43,13 +48,13 @@ odp_time_t time_diff(odp_time_t t2, odp_time_t t1) > odp_time_t odp_time_local(void) > { > int ret; > - struct timespec time; > + _odp_time_t time; > > - ret = clock_gettime(CLOCK_MONOTONIC_RAW, &time); > + ret = clock_gettime(CLOCK_MONOTONIC_RAW, &time.in); > if (odp_unlikely(ret != 0)) > ODP_ABORT("clock_gettime failed\n"); > > - return time_diff(time, start_time); > + return time_diff(time.ex, start_time); > } > > odp_time_t odp_time_diff(odp_time_t t2, odp_time_t t1) > @@ -64,7 +69,7 @@ uint64_t odp_time_to_ns(odp_time_t time) > > odp_time_t odp_time_local_from_ns(uint64_t ns) > { > - struct timespec time; > + odp_time_t time; > > time.tv_sec = ns / ODP_TIME_SEC_IN_NS; > time.tv_nsec = ns - time.tv_sec * ODP_TIME_SEC_IN_NS; > @@ -85,7 +90,7 @@ int odp_time_cmp(odp_time_t t2, odp_time_t t1) > > odp_time_t odp_time_sum(odp_time_t t1, odp_time_t t2) > { > - struct timespec time; > + odp_time_t time; > > time.tv_sec = t2.tv_sec + t1.tv_sec; > time.tv_nsec = t2.tv_nsec + t1.tv_nsec; > @@ -113,18 +118,13 @@ uint64_t odp_time_to_u64(odp_time_t time) > return time_to_ns(time) / resolution; > } > > -odp_time_t odp_time_null(void) > -{ > - return (struct timespec) {0, 0}; > -} > - > int odp_time_global_init(void) > { > int ret; > - struct timespec time; > + _odp_time_t time; > > - ret = clock_gettime(CLOCK_MONOTONIC_RAW, &time); > - start_time = ret ? odp_time_null() : time; > + ret = clock_gettime(CLOCK_MONOTONIC_RAW, &time.in); > + start_time = ret ? ODP_TIME_NULL : time.ex; > > return ret; > } > -- > 2.1.4 > >
On 12/15/2015 01:15, Bill Fischofer wrote: > v3 posted to fix doxygen issues. > > On Mon, Dec 14, 2015 at 4:14 PM, Bill Fischofer > <bill.fischofer@linaro.org <mailto:bill.fischofer@linaro.org>> wrote: > > The linux-generic implementation of odp_time_t makes use of POSIX > APIs that are sensitive to the _POSIX_C_SOURCE level. Use an > indirection > mechanism so that these dependencies do not "bleed through" the > ODP API. > This means that ODP applications can be independent of _POSIX_C_SOURCE > level. > > Signed-off-by: Bill Fischofer <bill.fischofer@linaro.org > <mailto:bill.fischofer@linaro.org>> > --- > .../linux-generic/include/odp/plat/time_types.h | 14 +++++++--- > platform/linux-generic/odp_time.c | 30 > +++++++++++----------- > 2 files changed, 25 insertions(+), 19 deletions(-) > > diff --git a/platform/linux-generic/include/odp/plat/time_types.h > b/platform/linux-generic/include/odp/plat/time_types.h > index e5765ec..6269e40 100644 > --- a/platform/linux-generic/include/odp/plat/time_types.h > +++ b/platform/linux-generic/include/odp/plat/time_types.h > @@ -21,11 +21,17 @@ extern "C" { > * @{ > **/ > > -typedef struct timespec odp_time_t; > - > -odp_time_t odp_time_null(void); > +/** > + * Time structure > + * Used to isolate linux-generic implementation from the linux > + * timespec structure, which is dependent on _POSIX_C_SOURCE level. > + */ > +typedef struct odp_time_t { > + int64_t tv_sec; /**< Seconds */ > + int64_t tv_nsec; /**< Nanoseconds */ > +} odp_time_t; > should fields or struct have @internal tag? Did you review generated html? Maxim. > > > -#define ODP_TIME_NULL odp_time_null() > +#define ODP_TIME_NULL ((odp_time_t){0, 0}) > > /** > * @} > diff --git a/platform/linux-generic/odp_time.c > b/platform/linux-generic/odp_time.c > index 1c7c214..9b64b37 100644 > --- a/platform/linux-generic/odp_time.c > +++ b/platform/linux-generic/odp_time.c > @@ -11,7 +11,12 @@ > #include <odp/hints.h> > #include <odp_debug_internal.h> > > -static struct timespec start_time; > +typedef union { > + odp_time_t ex; > + struct timespec in; > +} _odp_time_t; > + > +static odp_time_t start_time; > > static inline > uint64_t time_to_ns(odp_time_t time) > @@ -27,7 +32,7 @@ uint64_t time_to_ns(odp_time_t time) > static inline > odp_time_t time_diff(odp_time_t t2, odp_time_t t1) > { > - struct timespec time; > + odp_time_t time; > > time.tv_sec = t2.tv_sec - t1.tv_sec; > time.tv_nsec = t2.tv_nsec - t1.tv_nsec; > @@ -43,13 +48,13 @@ odp_time_t time_diff(odp_time_t t2, odp_time_t t1) > odp_time_t odp_time_local(void) > { > int ret; > - struct timespec time; > + _odp_time_t time; > > - ret = clock_gettime(CLOCK_MONOTONIC_RAW, &time); > + ret = clock_gettime(CLOCK_MONOTONIC_RAW, &time.in > <http://time.in>); > if (odp_unlikely(ret != 0)) > ODP_ABORT("clock_gettime failed\n"); > > - return time_diff(time, start_time); > + return time_diff(time.ex, start_time); > } > > odp_time_t odp_time_diff(odp_time_t t2, odp_time_t t1) > @@ -64,7 +69,7 @@ uint64_t odp_time_to_ns(odp_time_t time) > > odp_time_t odp_time_local_from_ns(uint64_t ns) > { > - struct timespec time; > + odp_time_t time; > > time.tv_sec = ns / ODP_TIME_SEC_IN_NS; > time.tv_nsec = ns - time.tv_sec * ODP_TIME_SEC_IN_NS; > @@ -85,7 +90,7 @@ int odp_time_cmp(odp_time_t t2, odp_time_t t1) > > odp_time_t odp_time_sum(odp_time_t t1, odp_time_t t2) > { > - struct timespec time; > + odp_time_t time; > > time.tv_sec = t2.tv_sec + t1.tv_sec; > time.tv_nsec = t2.tv_nsec + t1.tv_nsec; > @@ -113,18 +118,13 @@ uint64_t odp_time_to_u64(odp_time_t time) > return time_to_ns(time) / resolution; > } > > -odp_time_t odp_time_null(void) > -{ > - return (struct timespec) {0, 0}; > -} > - > int odp_time_global_init(void) > { > int ret; > - struct timespec time; > + _odp_time_t time; > > - ret = clock_gettime(CLOCK_MONOTONIC_RAW, &time); > - start_time = ret ? odp_time_null() : time; > + ret = clock_gettime(CLOCK_MONOTONIC_RAW, &time.in > <http://time.in>); > + start_time = ret ? ODP_TIME_NULL : time.ex; > > return ret; > } > -- > 2.1.4 > > > > > _______________________________________________ > lng-odp mailing list > lng-odp@lists.linaro.org > https://lists.linaro.org/mailman/listinfo/lng-odp
diff --git a/platform/linux-generic/include/odp/plat/time_types.h b/platform/linux-generic/include/odp/plat/time_types.h index e5765ec..6269e40 100644 --- a/platform/linux-generic/include/odp/plat/time_types.h +++ b/platform/linux-generic/include/odp/plat/time_types.h @@ -21,11 +21,17 @@ extern "C" { * @{ **/ -typedef struct timespec odp_time_t; - -odp_time_t odp_time_null(void); +/** + * Time structure + * Used to isolate linux-generic implementation from the linux + * timespec structure, which is dependent on _POSIX_C_SOURCE level. + */ +typedef struct odp_time_t { + int64_t tv_sec; /**< Seconds */ + int64_t tv_nsec; /**< Nanoseconds */ +} odp_time_t; -#define ODP_TIME_NULL odp_time_null() +#define ODP_TIME_NULL ((odp_time_t){0, 0}) /** * @} diff --git a/platform/linux-generic/odp_time.c b/platform/linux-generic/odp_time.c index 1c7c214..9b64b37 100644 --- a/platform/linux-generic/odp_time.c +++ b/platform/linux-generic/odp_time.c @@ -11,7 +11,12 @@ #include <odp/hints.h> #include <odp_debug_internal.h> -static struct timespec start_time; +typedef union { + odp_time_t ex; + struct timespec in; +} _odp_time_t; + +static odp_time_t start_time; static inline uint64_t time_to_ns(odp_time_t time) @@ -27,7 +32,7 @@ uint64_t time_to_ns(odp_time_t time) static inline odp_time_t time_diff(odp_time_t t2, odp_time_t t1) { - struct timespec time; + odp_time_t time; time.tv_sec = t2.tv_sec - t1.tv_sec; time.tv_nsec = t2.tv_nsec - t1.tv_nsec; @@ -43,13 +48,13 @@ odp_time_t time_diff(odp_time_t t2, odp_time_t t1) odp_time_t odp_time_local(void) { int ret; - struct timespec time; + _odp_time_t time; - ret = clock_gettime(CLOCK_MONOTONIC_RAW, &time); + ret = clock_gettime(CLOCK_MONOTONIC_RAW, &time.in); if (odp_unlikely(ret != 0)) ODP_ABORT("clock_gettime failed\n"); - return time_diff(time, start_time); + return time_diff(time.ex, start_time); } odp_time_t odp_time_diff(odp_time_t t2, odp_time_t t1) @@ -64,7 +69,7 @@ uint64_t odp_time_to_ns(odp_time_t time) odp_time_t odp_time_local_from_ns(uint64_t ns) { - struct timespec time; + odp_time_t time; time.tv_sec = ns / ODP_TIME_SEC_IN_NS; time.tv_nsec = ns - time.tv_sec * ODP_TIME_SEC_IN_NS; @@ -85,7 +90,7 @@ int odp_time_cmp(odp_time_t t2, odp_time_t t1) odp_time_t odp_time_sum(odp_time_t t1, odp_time_t t2) { - struct timespec time; + odp_time_t time; time.tv_sec = t2.tv_sec + t1.tv_sec; time.tv_nsec = t2.tv_nsec + t1.tv_nsec; @@ -113,18 +118,13 @@ uint64_t odp_time_to_u64(odp_time_t time) return time_to_ns(time) / resolution; } -odp_time_t odp_time_null(void) -{ - return (struct timespec) {0, 0}; -} - int odp_time_global_init(void) { int ret; - struct timespec time; + _odp_time_t time; - ret = clock_gettime(CLOCK_MONOTONIC_RAW, &time); - start_time = ret ? odp_time_null() : time; + ret = clock_gettime(CLOCK_MONOTONIC_RAW, &time.in); + start_time = ret ? ODP_TIME_NULL : time.ex; return ret; }
The linux-generic implementation of odp_time_t makes use of POSIX APIs that are sensitive to the _POSIX_C_SOURCE level. Use an indirection mechanism so that these dependencies do not "bleed through" the ODP API. This means that ODP applications can be independent of _POSIX_C_SOURCE level. Signed-off-by: Bill Fischofer <bill.fischofer@linaro.org> --- .../linux-generic/include/odp/plat/time_types.h | 14 +++++++--- platform/linux-generic/odp_time.c | 30 +++++++++++----------- 2 files changed, 25 insertions(+), 19 deletions(-)