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'\" te .\" Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved. .TH atomic_or 9F "16 Jan 2006" "Oracle Solaris 11.4" "Kernel Functions" .SH NAME atomic_or, atomic_or_8, atomic_or_uchar, atomic_or_16, atomic_or_ushort, atomic_or_32, atomic_or_uint, atomic_or_ulong, atomic_or_64, atomic_or_8_nv, atomic_or_uchar_nv, atomic_or_16_nv, atomic_or_ushort_nv, atomic_or_32_nv, atomic_or_uint_nv, atomic_or_ulong_nv, atomic_or_64_nv \- atomic OR operations .SH SYNOPSIS .LP .nf #include <sys/atomic.h> \fBvoid\fR \fBatomic_or_8\fR(\fBvolatile uint8_t *\fR\fItarget\fR, \fBuint8_t\fR \fIbits\fR); .fi .LP .nf \fBvoid\fR \fBatomic_or_uchar\fR(\fBvolatile uchar_t *\fR\fItarget\fR, \fBuchar_t\fR \fIbits\fR); .fi .LP .nf \fBvoid\fR \fBatomic_or_16\fR(\fBvolatile uint16_t *\fR\fItarget\fR, \fBuint16_t\fR \fIbits\fR); .fi .LP .nf \fBvoid\fR \fBatomic_or_ushort\fR(\fBvolatile ushort_t *\fR\fItarget\fR, \fBushort_t\fR \fIbits\fR); .fi .LP .nf \fBvoid\fR \fBatomic_or_32\fR(\fBvolatile uint32_t *\fR\fItarget\fR, \fBuint32_t\fR \fIbits\fR); .fi .LP .nf \fBvoid\fR \fBatomic_or_uint\fR(\fBvolatile uint_t *\fR\fItarget\fR, \fBuint_t\fR \fIbits\fR); .fi .LP .nf \fBvoid\fR \fBatomic_or_ulong\fR(\fBvolatile ulong_t *\fR\fItarget\fR, \fBulong_t\fR \fIbits\fR); .fi .LP .nf \fBvoid\fR \fBatomic_or_64\fR(\fBvolatile uint64_t *\fR\fItarget\fR, \fBuint64_t\fR \fIbits\fR); .fi .LP .nf \fBuint8_t\fR \fBatomic_or_8_nv\fR(\fBvolatile uint8_t *\fR\fItarget\fR, \fBuint8_t\fR \fIbits\fR); .fi .LP .nf \fBuchar_t\fR \fBatomic_or_uchar_nv\fR(\fBvolatile uchar_t *\fR\fItarget\fR, \fBuchar_t\fR \fIbits\fR); .fi .LP .nf \fBuint16_t\fR \fBatomic_or_16_nv\fR(\fBvolatile uint16_t *\fR\fItarget\fR, \fBuint16_t\fR \fIbits\fR); .fi .LP .nf \fBushort_t\fR \fBatomic_or_ushort_nv\fR(\fBvolatile ushort_t *\fR\fItarget\fR, \fBushort_t\fR \fIbits\fR); .fi .LP .nf \fBuint32_t\fR \fBatomic_or_32_nv\fR(\fBvolatile uint32_t *\fR\fItarget\fR, \fBuint32_t\fR \fIbits\fR); .fi .LP .nf \fBuint_t\fR \fBatomic_or_uint_nv\fR(\fBvolatile uint_t *\fR\fItarget\fR, \fBuint_t\fR \fIbits\fR); .fi .LP .nf \fBulong_t\fR \fBatomic_or_ulong_nv\fR(\fBvolatile ulong_t *\fR\fItarget\fR, \fBulong_t\fR \fIbits\fR); .fi .LP .nf \fBuint64_t\fR \fBatomic_or_64_nv\fR(\fBvolatile uint64_t *\fR\fItarget\fR, \fBuint64_t\fR \fIbits\fR); .fi .SH DESCRIPTION .sp .LP These functions enable the bitwise OR of \fIbits\fR to the value stored in \fItarget\fR to occur in an atomic manner. .SH RETURN VALUES .sp .LP The *\fB_nv()\fR variants of these functions return the new value of \fItarget\fR. .SH ERRORS .sp .LP No errors are defined. .SH CONTEXT .sp .LP These functions can be called from user, interrupt, or kernel context. .SH ATTRIBUTES .sp .LP See \fBattributes\fR(7) for descriptions of the following attributes: .sp .TS tab( ) box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) . ATTRIBUTE TYPE ATTRIBUTE VALUE _ Interface Stability Committed .TE .sp .SH SEE ALSO .sp .LP \fBatomic_ops\fR(3C), \fBattributes\fR(7), \fBatomic_add\fR(9F), \fBatomic_and\fR(9F), \fBatomic_bits\fR(9F), \fBatomic_cas\fR(9F), \fBatomic_dec\fR(9F), \fBatomic_inc\fR(9F), \fBatomic_swap\fR(9F), \fBmembar_ops\fR(9F) .SH NOTES .sp .LP The *\fB_nv()\fR variants are substantially more expensive on some platforms than the versions that do not return values. Do not use them unless you need to know the new value \fBatomically\fR.